18259488

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^1\times {\mathrm{4877}}^1$

素因数の和:4906

約数の個数: 72

約数和(自身を含む): 55931148

約数和(自身を除く): 37671660

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 208, 234, 288, 312, 416, 468, 624, 936, 1248, 1872, 3744, 4877, 9754, 14631, 19508, 29262, 39016, 43893, 58524, 63401, 78032, 87786, 117048, 126802, 156064, 175572, 190203, 234096, 253604, 351144, 380406, 468192, 507208, 570609, 702288, 760812, 1014416, 1141218, 1404576, 1521624, 2028832, 2282436, 3043248, 4564872, 6086496, 9129744, 18259488]

約数ペア:

[(1, 18259488), (2, 9129744), (3, 6086496), (4, 4564872), (6, 3043248), (8, 2282436), (9, 2028832), (12, 1521624), (13, 1404576), (16, 1141218), (18, 1014416), (24, 760812), (26, 702288), (32, 570609), (36, 507208), (39, 468192), (48, 380406), (52, 351144), (72, 253604), (78, 234096), (96, 190203), (104, 175572), (117, 156064), (144, 126802), (156, 117048), (208, 87786), (234, 78032), (288, 63401), (312, 58524), (416, 43893), (468, 39016), (624, 29262), (936, 19508), (1248, 14631), (1872, 9754), (3744, 4877)]