19551080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{15767}}^1$

素因数の和:15809

約数の個数: 32

約数和(自身を含む): 45411840

約数和(自身を除く): 25860760

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 15767, 31534, 63068, 78835, 126136, 157670, 315340, 488777, 630680, 977554, 1955108, 2443885, 3910216, 4887770, 9775540, 19551080]

約数ペア:

[(1, 19551080), (2, 9775540), (4, 4887770), (5, 3910216), (8, 2443885), (10, 1955108), (20, 977554), (31, 630680), (40, 488777), (62, 315340), (124, 157670), (155, 126136), (248, 78835), (310, 63068), (620, 31534), (1240, 15767)]