18861566

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{103}}^1$

素因数の和:264

約数の個数: 32

約数和(自身を含む): 30950400

約数和(自身を除く): 12088834

約数列:

[1, 2, 19, 38, 61, 79, 103, 122, 158, 206, 1159, 1501, 1957, 2318, 3002, 3914, 4819, 6283, 8137, 9638, 12566, 16274, 91561, 119377, 154603, 183122, 238754, 309206, 496357, 992714, 9430783, 18861566]

約数ペア:

[(1, 18861566), (2, 9430783), (19, 992714), (38, 496357), (61, 309206), (79, 238754), (103, 183122), (122, 154603), (158, 119377), (206, 91561), (1159, 16274), (1501, 12566), (1957, 9638), (2318, 8137), (3002, 6283), (3914, 4819)]