19630355

素因数分解:

$5^1\times {\mathrm{109}}^1\times {\mathrm{181}}^1\times {\mathrm{199}}^1$

素因数の和:494

約数の個数: 16

約数和(自身を含む): 24024000

約数和(自身を除く): 4393645

約数列:

[1, 5, 109, 181, 199, 545, 905, 995, 19729, 21691, 36019, 98645, 108455, 180095, 3926071, 19630355]

約数ペア:

[(1, 19630355), (5, 3926071), (109, 180095), (181, 108455), (199, 98645), (545, 36019), (905, 21691), (995, 19729)]