19900750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{3461}}^1$

素因数の和:3501

約数の個数: 32

約数和(自身を含む): 38885184

約数和(自身を除く): 18984434

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 3461, 5750, 6922, 17305, 34610, 79603, 86525, 159206, 173050, 398015, 432625, 796030, 865250, 1990075, 3980150, 9950375, 19900750]

約数ペア:

[(1, 19900750), (2, 9950375), (5, 3980150), (10, 1990075), (23, 865250), (25, 796030), (46, 432625), (50, 398015), (115, 173050), (125, 159206), (230, 86525), (250, 79603), (575, 34610), (1150, 17305), (2875, 6922), (3461, 5750)]