19845850

素因数分解:

$2^1\times 5^2\times {\mathrm{53}}^1\times {\mathrm{7489}}^1$

素因数の和:7554

約数の個数: 24

約数和(自身を含む): 37614780

約数和(自身を除く): 17768930

約数列:

[1, 2, 5, 10, 25, 50, 53, 106, 265, 530, 1325, 2650, 7489, 14978, 37445, 74890, 187225, 374450, 396917, 793834, 1984585, 3969170, 9922925, 19845850]

約数ペア:

[(1, 19845850), (2, 9922925), (5, 3969170), (10, 1984585), (25, 793834), (50, 396917), (53, 374450), (106, 187225), (265, 74890), (530, 37445), (1325, 14978), (2650, 7489)]