19957310

素因数分解:

$2^1\times 5^1\times {\mathrm{557}}^1\times {\mathrm{3583}}^1$

素因数の和:4147

約数の個数: 16

約数和(自身を含む): 35997696

約数和(自身を除く): 16040386

約数列:

[1, 2, 5, 10, 557, 1114, 2785, 3583, 5570, 7166, 17915, 35830, 1995731, 3991462, 9978655, 19957310]

約数ペア:

[(1, 19957310), (2, 9978655), (5, 3991462), (10, 1995731), (557, 35830), (1114, 17915), (2785, 7166), (3583, 5570)]