19812008

素因数分解:

$2^3\times {\mathrm{467}}^1\times {\mathrm{5303}}^1$

素因数の和:5776

約数の個数: 16

約数和(自身を含む): 37234080

約数和(自身を除く): 17422072

約数列:

[1, 2, 4, 8, 467, 934, 1868, 3736, 5303, 10606, 21212, 42424, 2476501, 4953002, 9906004, 19812008]

約数ペア:

[(1, 19812008), (2, 9906004), (4, 4953002), (8, 2476501), (467, 42424), (934, 21212), (1868, 10606), (3736, 5303)]