19747778

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{5639}}^1$

素因数の和:5761

約数の個数: 16

約数和(自身を含む): 31674240

約数和(自身を除く): 11926462

約数列:

[1, 2, 17, 34, 103, 206, 1751, 3502, 5639, 11278, 95863, 191726, 580817, 1161634, 9873889, 19747778]

約数ペア:

[(1, 19747778), (2, 9873889), (17, 1161634), (34, 580817), (103, 191726), (206, 95863), (1751, 11278), (3502, 5639)]