19856986

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3583}}^1$

素因数の和:3765

約数の個数: 16

約数和(自身を含む): 31739904

約数和(自身を除く): 11882918

約数列:

[1, 2, 17, 34, 163, 326, 2771, 3583, 5542, 7166, 60911, 121822, 584029, 1168058, 9928493, 19856986]

約数ペア:

[(1, 19856986), (2, 9928493), (17, 1168058), (34, 584029), (163, 121822), (326, 60911), (2771, 7166), (3583, 5542)]