18328840

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{6277}}^1$

素因数の和:6361

約数の個数: 32

約数和(自身を含む): 41811480

約数和(自身を除く): 23482640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 146, 292, 365, 584, 730, 1460, 2920, 6277, 12554, 25108, 31385, 50216, 62770, 125540, 251080, 458221, 916442, 1832884, 2291105, 3665768, 4582210, 9164420, 18328840]

約数ペア:

[(1, 18328840), (2, 9164420), (4, 4582210), (5, 3665768), (8, 2291105), (10, 1832884), (20, 916442), (40, 458221), (73, 251080), (146, 125540), (292, 62770), (365, 50216), (584, 31385), (730, 25108), (1460, 12554), (2920, 6277)]