1912940

素因数分解:

$2^2\times 5^1\times {\mathrm{101}}^1\times {\mathrm{947}}^1$

素因数の和:1057

約数の個数: 24

約数和(自身を含む): 4061232

約数和(自身を除く): 2148292

約数列:

[1, 2, 4, 5, 10, 20, 101, 202, 404, 505, 947, 1010, 1894, 2020, 3788, 4735, 9470, 18940, 95647, 191294, 382588, 478235, 956470, 1912940]

約数ペア:

[(1, 1912940), (2, 956470), (4, 478235), (5, 382588), (10, 191294), (20, 95647), (101, 18940), (202, 9470), (404, 4735), (505, 3788), (947, 2020), (1010, 1894)]