90911390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{478481}}^1$

素因数の和:478507

約数の個数: 16

約数和(自身を含む): 172253520

約数和(自身を除く): 81342130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 478481, 956962, 2392405, 4784810, 9091139, 18182278, 45455695, 90911390]

約数ペア:

[(1, 90911390), (2, 45455695), (5, 18182278), (10, 9091139), (19, 4784810), (38, 2392405), (95, 956962), (190, 478481)]