19273640

素因数分解:

$2^3\times 5^1\times {\mathrm{151}}^1\times {\mathrm{3191}}^1$

素因数の和:3353

約数の個数: 32

約数和(自身を含む): 43666560

約数和(自身を除く): 24392920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 151, 302, 604, 755, 1208, 1510, 3020, 3191, 6040, 6382, 12764, 15955, 25528, 31910, 63820, 127640, 481841, 963682, 1927364, 2409205, 3854728, 4818410, 9636820, 19273640]

約数ペア:

[(1, 19273640), (2, 9636820), (4, 4818410), (5, 3854728), (8, 2409205), (10, 1927364), (20, 963682), (40, 481841), (151, 127640), (302, 63820), (604, 31910), (755, 25528), (1208, 15955), (1510, 12764), (3020, 6382), (3191, 6040)]