19271940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321199}}^1$

素因数の和:321211

約数の個数: 24

約数和(自身を含む): 53961600

約数和(自身を除く): 34689660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321199, 642398, 963597, 1284796, 1605995, 1927194, 3211990, 3854388, 4817985, 6423980, 9635970, 19271940]

約数ペア:

[(1, 19271940), (2, 9635970), (3, 6423980), (4, 4817985), (5, 3854388), (6, 3211990), (10, 1927194), (12, 1605995), (15, 1284796), (20, 963597), (30, 642398), (60, 321199)]