19427080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15667}}^1$

素因数の和:15709

約数の個数: 32

約数和(自身を含む): 45123840

約数和(自身を除く): 25696760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15667, 31334, 62668, 78335, 125336, 156670, 313340, 485677, 626680, 971354, 1942708, 2428385, 3885416, 4856770, 9713540, 19427080]

約数ペア:

[(1, 19427080), (2, 9713540), (4, 4856770), (5, 3885416), (8, 2428385), (10, 1942708), (20, 971354), (31, 626680), (40, 485677), (62, 313340), (124, 156670), (155, 125336), (248, 78335), (310, 62668), (620, 31334), (1240, 15667)]