19858216

素因数分解:

$2^3\times 7^1\times {\mathrm{101}}^1\times {\mathrm{3511}}^1$

素因数の和:3625

約数の個数: 32

約数和(自身を含む): 42986880

約数和(自身を除く): 23128664

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 101, 202, 404, 707, 808, 1414, 2828, 3511, 5656, 7022, 14044, 24577, 28088, 49154, 98308, 196616, 354611, 709222, 1418444, 2482277, 2836888, 4964554, 9929108, 19858216]

約数ペア:

[(1, 19858216), (2, 9929108), (4, 4964554), (7, 2836888), (8, 2482277), (14, 1418444), (28, 709222), (56, 354611), (101, 196616), (202, 98308), (404, 49154), (707, 28088), (808, 24577), (1414, 14044), (2828, 7022), (3511, 5656)]