18951550

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{19949}}^1$

素因数の和:19980

約数の個数: 24

約数和(自身を含む): 37107000

約数和(自身を除く): 18155450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 19949, 39898, 99745, 199490, 379031, 498725, 758062, 997450, 1895155, 3790310, 9475775, 18951550]

約数ペア:

[(1, 18951550), (2, 9475775), (5, 3790310), (10, 1895155), (19, 997450), (25, 758062), (38, 498725), (50, 379031), (95, 199490), (190, 99745), (475, 39898), (950, 19949)]