18721886

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{151}}^1\times {\mathrm{1319}}^1$

素因数の和:1519

約数の個数: 16

約数和(自身を含む): 28892160

約数和(自身を除く): 10170274

約数列:

[1, 2, 47, 94, 151, 302, 1319, 2638, 7097, 14194, 61993, 123986, 199169, 398338, 9360943, 18721886]

約数ペア:

[(1, 18721886), (2, 9360943), (47, 398338), (94, 199169), (151, 123986), (302, 61993), (1319, 14194), (2638, 7097)]