1020199490

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{5369471}}^1$

素因数の和:5369497

約数の個数: 16

約数和(自身を含む): 1933009920

約数和(自身を除く): 912810430

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 5369471, 10738942, 26847355, 53694710, 102019949, 204039898, 510099745, 1020199490]

約数ペア:

[(1, 1020199490), (2, 510099745), (5, 204039898), (10, 102019949), (19, 53694710), (38, 26847355), (95, 10738942), (190, 5369471)]