18883260

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2$

素因数の和:74

約数の個数: 216

約数和(自身を含む): 68596080

約数和(自身を除く): 49712820

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 17, 18, 20, 22, 27, 30, 33, 34, 36, 44, 45, 51, 54, 55, 60, 66, 68, 85, 90, 99, 102, 108, 110, 121, 132, 135, 153, 165, 170, 180, 187, 198, 204, 220, 242, 255, 270, 289, 297, 306, 330, 340, 363, 374, 396, 459, 484, 495, 510, 540, 561, 578, 594, 605, 612, 660, 726, 748, 765, 867, 918, 935, 990, 1020, 1089, 1122, 1156, 1188, 1210, 1445, 1452, 1485, 1530, 1683, 1734, 1815, 1836, 1870, 1980, 2057, 2178, 2244, 2295, 2420, 2601, 2805, 2890, 2970, 3060, 3179, 3267, 3366, 3468, 3630, 3740, 4114, 4335, 4356, 4590, 5049, 5202, 5445, 5610, 5780, 5940, 6171, 6358, 6534, 6732, 7260, 7803, 8228, 8415, 8670, 9180, 9537, 10098, 10285, 10404, 10890, 11220, 12342, 12716, 13005, 13068, 15606, 15895, 16335, 16830, 17340, 18513, 19074, 20196, 20570, 21780, 24684, 25245, 26010, 28611, 30855, 31212, 31790, 32670, 33660, 34969, 37026, 38148, 39015, 41140, 47685, 50490, 52020, 55539, 57222, 61710, 63580, 65340, 69938, 74052, 78030, 85833, 92565, 95370, 100980, 104907, 111078, 114444, 123420, 139876, 143055, 156060, 171666, 174845, 185130, 190740, 209814, 222156, 277695, 286110, 314721, 343332, 349690, 370260, 419628, 429165, 524535, 555390, 572220, 629442, 699380, 858330, 944163, 1049070, 1110780, 1258884, 1573605, 1716660, 1888326, 2098140, 3147210, 3776652, 4720815, 6294420, 9441630, 18883260]

約数ペア:

[(1, 18883260), (2, 9441630), (3, 6294420), (4, 4720815), (5, 3776652), (6, 3147210), (9, 2098140), (10, 1888326), (11, 1716660), (12, 1573605), (15, 1258884), (17, 1110780), (18, 1049070), (20, 944163), (22, 858330), (27, 699380), (30, 629442), (33, 572220), (34, 555390), (36, 524535), (44, 429165), (45, 419628), (51, 370260), (54, 349690), (55, 343332), (60, 314721), (66, 286110), (68, 277695), (85, 222156), (90, 209814), (99, 190740), (102, 185130), (108, 174845), (110, 171666), (121, 156060), (132, 143055), (135, 139876), (153, 123420), (165, 114444), (170, 111078), (180, 104907), (187, 100980), (198, 95370), (204, 92565), (220, 85833), (242, 78030), (255, 74052), (270, 69938), (289, 65340), (297, 63580), (306, 61710), (330, 57222), (340, 55539), (363, 52020), (374, 50490), (396, 47685), (459, 41140), (484, 39015), (495, 38148), (510, 37026), (540, 34969), (561, 33660), (578, 32670), (594, 31790), (605, 31212), (612, 30855), (660, 28611), (726, 26010), (748, 25245), (765, 24684), (867, 21780), (918, 20570), (935, 20196), (990, 19074), (1020, 18513), (1089, 17340), (1122, 16830), (1156, 16335), (1188, 15895), (1210, 15606), (1445, 13068), (1452, 13005), (1485, 12716), (1530, 12342), (1683, 11220), (1734, 10890), (1815, 10404), (1836, 10285), (1870, 10098), (1980, 9537), (2057, 9180), (2178, 8670), (2244, 8415), (2295, 8228), (2420, 7803), (2601, 7260), (2805, 6732), (2890, 6534), (2970, 6358), (3060, 6171), (3179, 5940), (3267, 5780), (3366, 5610), (3468, 5445), (3630, 5202), (3740, 5049), (4114, 4590), (4335, 4356)]