18790563

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{1303}}^1$

素因数の和:1359

約数の個数: 32

約数和(自身を含む): 30044160

約数和(自身を除く): 11253597

約数列:

[1, 3, 11, 19, 23, 33, 57, 69, 209, 253, 437, 627, 759, 1303, 1311, 3909, 4807, 14333, 14421, 24757, 29969, 42999, 74271, 89907, 272327, 329659, 569411, 816981, 988977, 1708233, 6263521, 18790563]

約数ペア:

[(1, 18790563), (3, 6263521), (11, 1708233), (19, 988977), (23, 816981), (33, 569411), (57, 329659), (69, 272327), (209, 89907), (253, 74271), (437, 42999), (627, 29969), (759, 24757), (1303, 14421), (1311, 14333), (3909, 4807)]