19401364

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{281}}^1\times {\mathrm{421}}^1$

素因数の和:747

約数の個数: 24

約数和(自身を含む): 34987176

約数和(自身を除く): 15585812

約数列:

[1, 2, 4, 41, 82, 164, 281, 421, 562, 842, 1124, 1684, 11521, 17261, 23042, 34522, 46084, 69044, 118301, 236602, 473204, 4850341, 9700682, 19401364]

約数ペア:

[(1, 19401364), (2, 9700682), (4, 4850341), (41, 473204), (82, 236602), (164, 118301), (281, 69044), (421, 46084), (562, 34522), (842, 23042), (1124, 17261), (1684, 11521)]