19404335

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1018

約数の個数: 16

約数和(自身を含む): 24265440

約数和(自身を除く): 4861105

約数列:

[1, 5, 29, 145, 163, 815, 821, 4105, 4727, 23635, 23809, 119045, 133823, 669115, 3880867, 19404335]

約数ペア:

[(1, 19404335), (5, 3880867), (29, 669115), (145, 133823), (163, 119045), (815, 23809), (821, 23635), (4105, 4727)]