1991940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{33199}}^1$

素因数の和:33211

約数の個数: 24

約数和(自身を含む): 5577600

約数和(自身を除く): 3585660

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 33199, 66398, 99597, 132796, 165995, 199194, 331990, 398388, 497985, 663980, 995970, 1991940]

約数ペア:

[(1, 1991940), (2, 995970), (3, 663980), (4, 497985), (5, 398388), (6, 331990), (10, 199194), (12, 165995), (15, 132796), (20, 99597), (30, 66398), (60, 33199)]