18268380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{211}}^1$

素因数の和:276

約数の個数: 144

約数和(自身を含む): 61580064

約数和(自身を除く): 43311684

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 37, 39, 45, 52, 60, 65, 74, 78, 90, 111, 117, 130, 148, 156, 180, 185, 195, 211, 222, 234, 260, 333, 370, 390, 422, 444, 468, 481, 555, 585, 633, 666, 740, 780, 844, 962, 1055, 1110, 1170, 1266, 1332, 1443, 1665, 1899, 1924, 2110, 2220, 2340, 2405, 2532, 2743, 2886, 3165, 3330, 3798, 4220, 4329, 4810, 5486, 5772, 6330, 6660, 7215, 7596, 7807, 8229, 8658, 9495, 9620, 10972, 12660, 13715, 14430, 15614, 16458, 17316, 18990, 21645, 23421, 24687, 27430, 28860, 31228, 32916, 37980, 39035, 41145, 43290, 46842, 49374, 54860, 70263, 78070, 82290, 86580, 93684, 98748, 101491, 117105, 123435, 140526, 156140, 164580, 202982, 234210, 246870, 281052, 304473, 351315, 405964, 468420, 493740, 507455, 608946, 702630, 913419, 1014910, 1217892, 1405260, 1522365, 1826838, 2029820, 3044730, 3653676, 4567095, 6089460, 9134190, 18268380]

約数ペア:

[(1, 18268380), (2, 9134190), (3, 6089460), (4, 4567095), (5, 3653676), (6, 3044730), (9, 2029820), (10, 1826838), (12, 1522365), (13, 1405260), (15, 1217892), (18, 1014910), (20, 913419), (26, 702630), (30, 608946), (36, 507455), (37, 493740), (39, 468420), (45, 405964), (52, 351315), (60, 304473), (65, 281052), (74, 246870), (78, 234210), (90, 202982), (111, 164580), (117, 156140), (130, 140526), (148, 123435), (156, 117105), (180, 101491), (185, 98748), (195, 93684), (211, 86580), (222, 82290), (234, 78070), (260, 70263), (333, 54860), (370, 49374), (390, 46842), (422, 43290), (444, 41145), (468, 39035), (481, 37980), (555, 32916), (585, 31228), (633, 28860), (666, 27430), (740, 24687), (780, 23421), (844, 21645), (962, 18990), (1055, 17316), (1110, 16458), (1170, 15614), (1266, 14430), (1332, 13715), (1443, 12660), (1665, 10972), (1899, 9620), (1924, 9495), (2110, 8658), (2220, 8229), (2340, 7807), (2405, 7596), (2532, 7215), (2743, 6660), (2886, 6330), (3165, 5772), (3330, 5486), (3798, 4810), (4220, 4329)]