18507340

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11149}}^1$

素因数の和:11241

約数の個数: 24

約数和(自身を含む): 39337200

約数和(自身を除く): 20829860

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11149, 22298, 44596, 55745, 111490, 222980, 925367, 1850734, 3701468, 4626835, 9253670, 18507340]

約数ペア:

[(1, 18507340), (2, 9253670), (4, 4626835), (5, 3701468), (10, 1850734), (20, 925367), (83, 222980), (166, 111490), (332, 55745), (415, 44596), (830, 22298), (1660, 11149)]