18123864

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{79}}^2$

素因数の和:189

約数の個数: 72

約数和(自身を含む): 50441580

約数和(自身を除く): 32317716

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 79, 88, 121, 132, 158, 237, 242, 264, 316, 363, 474, 484, 632, 726, 869, 948, 968, 1452, 1738, 1896, 2607, 2904, 3476, 5214, 6241, 6952, 9559, 10428, 12482, 18723, 19118, 20856, 24964, 28677, 37446, 38236, 49928, 57354, 68651, 74892, 76472, 114708, 137302, 149784, 205953, 229416, 274604, 411906, 549208, 755161, 823812, 1510322, 1647624, 2265483, 3020644, 4530966, 6041288, 9061932, 18123864]

約数ペア:

[(1, 18123864), (2, 9061932), (3, 6041288), (4, 4530966), (6, 3020644), (8, 2265483), (11, 1647624), (12, 1510322), (22, 823812), (24, 755161), (33, 549208), (44, 411906), (66, 274604), (79, 229416), (88, 205953), (121, 149784), (132, 137302), (158, 114708), (237, 76472), (242, 74892), (264, 68651), (316, 57354), (363, 49928), (474, 38236), (484, 37446), (632, 28677), (726, 24964), (869, 20856), (948, 19118), (968, 18723), (1452, 12482), (1738, 10428), (1896, 9559), (2607, 6952), (2904, 6241), (3476, 5214)]