20219188865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{3671}}^1\times {\mathrm{57977}}^1$

素因数の和:61672

約数の個数: 16

約数和(自身を含む): 25547425920

約数和(自身を除く): 5328237055

約数列:

[1, 5, 19, 95, 3671, 18355, 57977, 69749, 289885, 348745, 1101563, 5507815, 212833567, 1064167835, 4043837773, 20219188865]

約数ペア:

[(1, 20219188865), (5, 4043837773), (19, 1064167835), (95, 212833567), (3671, 5507815), (18355, 1101563), (57977, 348745), (69749, 289885)]