18475340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71059}}^1$

素因数の和:71081

約数の個数: 24

約数和(自身を含む): 41783280

約数和(自身を除く): 23307940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 71059, 142118, 284236, 355295, 710590, 923767, 1421180, 1847534, 3695068, 4618835, 9237670, 18475340]

約数ペア:

[(1, 18475340), (2, 9237670), (4, 4618835), (5, 3695068), (10, 1847534), (13, 1421180), (20, 923767), (26, 710590), (52, 355295), (65, 284236), (130, 142118), (260, 71059)]