18879524

素因数分解:

$2^2\times {\mathrm{47}}^1\times {\mathrm{233}}^1\times {\mathrm{431}}^1$

素因数の和:715

約数の個数: 24

約数和(自身を含む): 33965568

約数和(自身を除く): 15086044

約数列:

[1, 2, 4, 47, 94, 188, 233, 431, 466, 862, 932, 1724, 10951, 20257, 21902, 40514, 43804, 81028, 100423, 200846, 401692, 4719881, 9439762, 18879524]

約数ペア:

[(1, 18879524), (2, 9439762), (4, 4719881), (47, 401692), (94, 200846), (188, 100423), (233, 81028), (431, 43804), (466, 40514), (862, 21902), (932, 20257), (1724, 10951)]