19974156940

素因数分解:

$2^2\times 5^1\times {\mathrm{98269}}^1\times {\mathrm{10163}}^1$

素因数の和:108441

約数の個数: 24

約数和(自身を含む): 41950283760

約数和(自身を除く): 21976126820

約数列:

[1, 2, 4, 5, 10, 20, 10163, 20326, 40652, 50815, 98269, 101630, 196538, 203260, 393076, 491345, 982690, 1965380, 998707847, 1997415694, 3994831388, 4993539235, 9987078470, 19974156940]

約数ペア:

[(1, 19974156940), (2, 9987078470), (4, 4993539235), (5, 3994831388), (10, 1997415694), (20, 998707847), (10163, 1965380), (20326, 982690), (40652, 491345), (50815, 393076), (98269, 203260), (101630, 196538)]