12781604

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{15289}}^1$

素因数の和:15323

約数の個数: 24

約数和(自身を含む): 25687200

約数和(自身を除く): 12905596

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 76, 209, 418, 836, 15289, 30578, 61156, 168179, 290491, 336358, 580982, 672716, 1161964, 3195401, 6390802, 12781604]

約数ペア:

[(1, 12781604), (2, 6390802), (4, 3195401), (11, 1161964), (19, 672716), (22, 580982), (38, 336358), (44, 290491), (76, 168179), (209, 61156), (418, 30578), (836, 15289)]