19638200

素因数分解:

$2^3\times 5^2\times {\mathrm{149}}^1\times {\mathrm{659}}^1$

素因数の和:824

約数の個数: 48

約数和(自身を含む): 46035000

約数和(自身を除く): 26396800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 149, 200, 298, 596, 659, 745, 1192, 1318, 1490, 2636, 2980, 3295, 3725, 5272, 5960, 6590, 7450, 13180, 14900, 16475, 26360, 29800, 32950, 65900, 98191, 131800, 196382, 392764, 490955, 785528, 981910, 1963820, 2454775, 3927640, 4909550, 9819100, 19638200]

約数ペア:

[(1, 19638200), (2, 9819100), (4, 4909550), (5, 3927640), (8, 2454775), (10, 1963820), (20, 981910), (25, 785528), (40, 490955), (50, 392764), (100, 196382), (149, 131800), (200, 98191), (298, 65900), (596, 32950), (659, 29800), (745, 26360), (1192, 16475), (1318, 14900), (1490, 13180), (2636, 7450), (2980, 6590), (3295, 5960), (3725, 5272)]