19636020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 240

約数和(自身を含む): 70253568

約数和(自身を除く): 50617548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 27, 30, 31, 34, 36, 45, 46, 51, 54, 60, 62, 68, 69, 81, 85, 90, 92, 93, 102, 108, 115, 124, 135, 138, 153, 155, 162, 170, 180, 186, 204, 207, 230, 255, 270, 276, 279, 306, 310, 324, 340, 345, 372, 391, 405, 414, 459, 460, 465, 510, 527, 540, 558, 612, 620, 621, 690, 713, 765, 782, 810, 828, 837, 918, 930, 1020, 1035, 1054, 1116, 1173, 1242, 1377, 1380, 1395, 1426, 1530, 1564, 1581, 1620, 1674, 1836, 1860, 1863, 1955, 2070, 2108, 2139, 2295, 2346, 2484, 2511, 2635, 2754, 2790, 2852, 3060, 3105, 3162, 3348, 3519, 3565, 3726, 3910, 4140, 4185, 4278, 4590, 4692, 4743, 5022, 5270, 5508, 5580, 5865, 6210, 6324, 6417, 6885, 7038, 7130, 7452, 7820, 7905, 8370, 8556, 9180, 9315, 9486, 10044, 10540, 10557, 10695, 11730, 12121, 12420, 12555, 12834, 13770, 14076, 14229, 14260, 15810, 16740, 17595, 18630, 18972, 19251, 21114, 21390, 23460, 23715, 24242, 25110, 25668, 27540, 28458, 31620, 31671, 32085, 35190, 36363, 37260, 38502, 42228, 42687, 42780, 47430, 48484, 50220, 52785, 56916, 57753, 60605, 63342, 64170, 70380, 71145, 72726, 77004, 85374, 94860, 96255, 105570, 109089, 115506, 121210, 126684, 128340, 142290, 145452, 158355, 170748, 181815, 192510, 211140, 213435, 218178, 231012, 242420, 284580, 288765, 316710, 327267, 363630, 385020, 426870, 436356, 545445, 577530, 633420, 654534, 727260, 853740, 981801, 1090890, 1155060, 1309068, 1636335, 1963602, 2181780, 3272670, 3927204, 4909005, 6545340, 9818010, 19636020]

約数ペア:

[(1, 19636020), (2, 9818010), (3, 6545340), (4, 4909005), (5, 3927204), (6, 3272670), (9, 2181780), (10, 1963602), (12, 1636335), (15, 1309068), (17, 1155060), (18, 1090890), (20, 981801), (23, 853740), (27, 727260), (30, 654534), (31, 633420), (34, 577530), (36, 545445), (45, 436356), (46, 426870), (51, 385020), (54, 363630), (60, 327267), (62, 316710), (68, 288765), (69, 284580), (81, 242420), (85, 231012), (90, 218178), (92, 213435), (93, 211140), (102, 192510), (108, 181815), (115, 170748), (124, 158355), (135, 145452), (138, 142290), (153, 128340), (155, 126684), (162, 121210), (170, 115506), (180, 109089), (186, 105570), (204, 96255), (207, 94860), (230, 85374), (255, 77004), (270, 72726), (276, 71145), (279, 70380), (306, 64170), (310, 63342), (324, 60605), (340, 57753), (345, 56916), (372, 52785), (391, 50220), (405, 48484), (414, 47430), (459, 42780), (460, 42687), (465, 42228), (510, 38502), (527, 37260), (540, 36363), (558, 35190), (612, 32085), (620, 31671), (621, 31620), (690, 28458), (713, 27540), (765, 25668), (782, 25110), (810, 24242), (828, 23715), (837, 23460), (918, 21390), (930, 21114), (1020, 19251), (1035, 18972), (1054, 18630), (1116, 17595), (1173, 16740), (1242, 15810), (1377, 14260), (1380, 14229), (1395, 14076), (1426, 13770), (1530, 12834), (1564, 12555), (1581, 12420), (1620, 12121), (1674, 11730), (1836, 10695), (1860, 10557), (1863, 10540), (1955, 10044), (2070, 9486), (2108, 9315), (2139, 9180), (2295, 8556), (2346, 8370), (2484, 7905), (2511, 7820), (2635, 7452), (2754, 7130), (2790, 7038), (2852, 6885), (3060, 6417), (3105, 6324), (3162, 6210), (3348, 5865), (3519, 5580), (3565, 5508), (3726, 5270), (3910, 5022), (4140, 4743), (4185, 4692), (4278, 4590)]