19705250

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^2\times {\mathrm{149}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 38820600

約数和(自身を除く): 19115350

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 149, 230, 250, 298, 529, 575, 745, 1058, 1150, 1490, 2645, 2875, 3427, 3725, 5290, 5750, 6854, 7450, 13225, 17135, 18625, 26450, 34270, 37250, 66125, 78821, 85675, 132250, 157642, 171350, 394105, 428375, 788210, 856750, 1970525, 3941050, 9852625, 19705250]

約数ペア:

[(1, 19705250), (2, 9852625), (5, 3941050), (10, 1970525), (23, 856750), (25, 788210), (46, 428375), (50, 394105), (115, 171350), (125, 157642), (149, 132250), (230, 85675), (250, 78821), (298, 66125), (529, 37250), (575, 34270), (745, 26450), (1058, 18625), (1150, 17135), (1490, 13225), (2645, 7450), (2875, 6854), (3427, 5750), (3725, 5290)]