19819331

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{101}}^1$

素因数の和:239

約数の個数: 24

約数和(自身を含む): 24550176

約数和(自身を除く): 4730845

約数列:

[1, 7, 17, 97, 101, 119, 289, 679, 707, 1649, 1717, 2023, 9797, 11543, 12019, 28033, 29189, 68579, 166549, 196231, 204323, 1165843, 2831333, 19819331]

約数ペア:

[(1, 19819331), (7, 2831333), (17, 1165843), (97, 204323), (101, 196231), (119, 166549), (289, 68579), (679, 29189), (707, 28033), (1649, 12019), (1717, 11543), (2023, 9797)]