19973775

素因数分解:

$3^1\times 5^2\times {\mathrm{23}}^1\times {\mathrm{11579}}^1$

素因数の和:11615

約数の個数: 24

約数和(自身を含む): 34462080

約数和(自身を除く): 14488305

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 345, 575, 1725, 11579, 34737, 57895, 173685, 266317, 289475, 798951, 868425, 1331585, 3994755, 6657925, 19973775]

約数ペア:

[(1, 19973775), (3, 6657925), (5, 3994755), (15, 1331585), (23, 868425), (25, 798951), (69, 289475), (75, 266317), (115, 173685), (345, 57895), (575, 34737), (1725, 11579)]