18220904

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{13477}}^1$

素因数の和:13509

約数の個数: 24

約数和(自身を含む): 36997110

約数和(自身を除く): 18776206

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 13477, 26954, 53908, 107816, 175201, 350402, 700804, 1401608, 2277613, 4555226, 9110452, 18220904]

約数ペア:

[(1, 18220904), (2, 9110452), (4, 4555226), (8, 2277613), (13, 1401608), (26, 700804), (52, 350402), (104, 175201), (169, 107816), (338, 53908), (676, 26954), (1352, 13477)]