19167080

素因数分解:

$2^3\times 5^1\times {\mathrm{349}}^1\times {\mathrm{1373}}^1$

素因数の和:1733

約数の個数: 32

約数和(自身を含む): 43281000

約数和(自身を除く): 24113920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 349, 698, 1373, 1396, 1745, 2746, 2792, 3490, 5492, 6865, 6980, 10984, 13730, 13960, 27460, 54920, 479177, 958354, 1916708, 2395885, 3833416, 4791770, 9583540, 19167080]

約数ペア:

[(1, 19167080), (2, 9583540), (4, 4791770), (5, 3833416), (8, 2395885), (10, 1916708), (20, 958354), (40, 479177), (349, 54920), (698, 27460), (1373, 13960), (1396, 13730), (1745, 10984), (2746, 6980), (2792, 6865), (3490, 5492)]