19169941

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{163}}^1\times {\mathrm{317}}^1$

素因数の和:540

約数の個数: 16

約数和(自身を含む): 22529664

約数和(自身を除く): 3359723

約数列:

[1, 7, 53, 163, 317, 371, 1141, 2219, 8639, 16801, 51671, 60473, 117607, 361697, 2738563, 19169941]

約数ペア:

[(1, 19169941), (7, 2738563), (53, 361697), (163, 117607), (317, 60473), (371, 51671), (1141, 16801), (2219, 8639)]