17859620

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{1093}}^1$

素因数の和:1164

約数の個数: 48

約数和(自身を含む): 40434240

約数和(自身を除く): 22574620

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 43, 76, 86, 95, 172, 190, 215, 380, 430, 817, 860, 1093, 1634, 2186, 3268, 4085, 4372, 5465, 8170, 10930, 16340, 20767, 21860, 41534, 46999, 83068, 93998, 103835, 187996, 207670, 234995, 415340, 469990, 892981, 939980, 1785962, 3571924, 4464905, 8929810, 17859620]

約数ペア:

[(1, 17859620), (2, 8929810), (4, 4464905), (5, 3571924), (10, 1785962), (19, 939980), (20, 892981), (38, 469990), (43, 415340), (76, 234995), (86, 207670), (95, 187996), (172, 103835), (190, 93998), (215, 83068), (380, 46999), (430, 41534), (817, 21860), (860, 20767), (1093, 16340), (1634, 10930), (2186, 8170), (3268, 5465), (4085, 4372)]