19741885

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1901}}^1$

素因数の和:2004

約数の個数: 16

約数和(自身を含む): 24832512

約数和(自身を除く): 5090627

約数列:

[1, 5, 31, 67, 155, 335, 1901, 2077, 9505, 10385, 58931, 127367, 294655, 636835, 3948377, 19741885]

約数ペア:

[(1, 19741885), (5, 3948377), (31, 636835), (67, 294655), (155, 127367), (335, 58931), (1901, 10385), (2077, 9505)]