19005756021

素因数分解:

$3^2\times 7^1\times {\mathrm{2437}}^1\times {\mathrm{123791}}^1$

素因数の和:126241

約数の個数: 24

約数和(自身を含む): 31387709184

約数和(自身を除く): 12381953163

約数列:

[1, 3, 7, 9, 21, 63, 2437, 7311, 17059, 21933, 51177, 123791, 153531, 371373, 866537, 1114119, 2599611, 7798833, 301678667, 905036001, 2111750669, 2715108003, 6335252007, 19005756021]

約数ペア:

[(1, 19005756021), (3, 6335252007), (7, 2715108003), (9, 2111750669), (21, 905036001), (63, 301678667), (2437, 7798833), (7311, 2599611), (17059, 1114119), (21933, 866537), (51177, 371373), (123791, 153531)]