18756918

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{103}}^1\times {\mathrm{151}}^1$

素因数の和:329

約数の個数: 48

約数和(自身を含む): 41922816

約数和(自身を除く): 23165898

約数列:

[1, 2, 3, 6, 9, 18, 67, 103, 134, 151, 201, 206, 302, 309, 402, 453, 603, 618, 906, 927, 1206, 1359, 1854, 2718, 6901, 10117, 13802, 15553, 20234, 20703, 30351, 31106, 41406, 46659, 60702, 62109, 91053, 93318, 124218, 139977, 182106, 279954, 1042051, 2084102, 3126153, 6252306, 9378459, 18756918]

約数ペア:

[(1, 18756918), (2, 9378459), (3, 6252306), (6, 3126153), (9, 2084102), (18, 1042051), (67, 279954), (103, 182106), (134, 139977), (151, 124218), (201, 93318), (206, 91053), (302, 62109), (309, 60702), (402, 46659), (453, 41406), (603, 31106), (618, 30351), (906, 20703), (927, 20234), (1206, 15553), (1359, 13802), (1854, 10117), (2718, 6901)]