19961404

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{181}}^1\times {\mathrm{349}}^1$

素因数の和:613

約数の個数: 24

約数和(自身を含む): 35672000

約数和(自身を除く): 15710596

約数列:

[1, 2, 4, 79, 158, 181, 316, 349, 362, 698, 724, 1396, 14299, 27571, 28598, 55142, 57196, 63169, 110284, 126338, 252676, 4990351, 9980702, 19961404]

約数ペア:

[(1, 19961404), (2, 9980702), (4, 4990351), (79, 252676), (158, 126338), (181, 110284), (316, 63169), (349, 57196), (362, 55142), (698, 28598), (724, 27571), (1396, 14299)]