19944490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{104971}}^1$

素因数の和:104997

約数の個数: 16

約数和(自身を含む): 37789920

約数和(自身を除く): 17845430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 104971, 209942, 524855, 1049710, 1994449, 3988898, 9972245, 19944490]

約数ペア:

[(1, 19944490), (2, 9972245), (5, 3988898), (10, 1994449), (19, 1049710), (38, 524855), (95, 209942), (190, 104971)]