19883940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{331399}}^1$

素因数の和:331411

約数の個数: 24

約数和(自身を含む): 55675200

約数和(自身を除く): 35791260

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 331399, 662798, 994197, 1325596, 1656995, 1988394, 3313990, 3976788, 4970985, 6627980, 9941970, 19883940]

約数ペア:

[(1, 19883940), (2, 9941970), (3, 6627980), (4, 4970985), (5, 3976788), (6, 3313990), (10, 1988394), (12, 1656995), (15, 1325596), (20, 994197), (30, 662798), (60, 331399)]