18702736

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89917}}^1$

素因数の和:89938

約数の個数: 20

約数和(自身を含む): 39024412

約数和(自身を除く): 20321676

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89917, 179834, 359668, 719336, 1168921, 1438672, 2337842, 4675684, 9351368, 18702736]

約数ペア:

[(1, 18702736), (2, 9351368), (4, 4675684), (8, 2337842), (13, 1438672), (16, 1168921), (26, 719336), (52, 359668), (104, 179834), (208, 89917)]