19936410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1$

素因数の和:168

約数の個数: 128

約数和(自身を含む): 56899584

約数和(自身を除く): 36963174

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 17, 26, 30, 31, 34, 39, 51, 62, 65, 78, 85, 93, 97, 102, 130, 155, 170, 186, 194, 195, 221, 255, 291, 310, 390, 403, 442, 465, 485, 510, 527, 582, 663, 806, 930, 970, 1054, 1105, 1209, 1261, 1326, 1455, 1581, 1649, 2015, 2210, 2418, 2522, 2635, 2910, 3007, 3162, 3298, 3315, 3783, 4030, 4947, 5270, 6014, 6045, 6305, 6630, 6851, 7566, 7905, 8245, 9021, 9894, 12090, 12610, 13702, 15035, 15810, 16490, 18042, 18915, 20553, 21437, 24735, 30070, 34255, 37830, 39091, 41106, 42874, 45105, 49470, 51119, 64311, 68510, 78182, 90210, 102238, 102765, 107185, 117273, 128622, 153357, 195455, 205530, 214370, 234546, 255595, 306714, 321555, 390910, 511190, 586365, 643110, 664547, 766785, 1172730, 1329094, 1533570, 1993641, 3322735, 3987282, 6645470, 9968205, 19936410]

約数ペア:

[(1, 19936410), (2, 9968205), (3, 6645470), (5, 3987282), (6, 3322735), (10, 1993641), (13, 1533570), (15, 1329094), (17, 1172730), (26, 766785), (30, 664547), (31, 643110), (34, 586365), (39, 511190), (51, 390910), (62, 321555), (65, 306714), (78, 255595), (85, 234546), (93, 214370), (97, 205530), (102, 195455), (130, 153357), (155, 128622), (170, 117273), (186, 107185), (194, 102765), (195, 102238), (221, 90210), (255, 78182), (291, 68510), (310, 64311), (390, 51119), (403, 49470), (442, 45105), (465, 42874), (485, 41106), (510, 39091), (527, 37830), (582, 34255), (663, 30070), (806, 24735), (930, 21437), (970, 20553), (1054, 18915), (1105, 18042), (1209, 16490), (1261, 15810), (1326, 15035), (1455, 13702), (1581, 12610), (1649, 12090), (2015, 9894), (2210, 9021), (2418, 8245), (2522, 7905), (2635, 7566), (2910, 6851), (3007, 6630), (3162, 6305), (3298, 6045), (3315, 6014), (3783, 5270), (4030, 4947)]