19655667020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{211}}^1\times {\mathrm{423431}}^1$

素因数の和:423662

約数の個数: 48

約数和(自身を含む): 45242862336

約数和(自身を除く): 25587195316

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 211, 220, 422, 844, 1055, 2110, 2321, 4220, 4642, 9284, 11605, 23210, 46420, 423431, 846862, 1693724, 2117155, 4234310, 4657741, 8468620, 9315482, 18630964, 23288705, 46577410, 89343941, 93154820, 178687882, 357375764, 446719705, 893439410, 982783351, 1786878820, 1965566702, 3931133404, 4913916755, 9827833510, 19655667020]

約数ペア:

[(1, 19655667020), (2, 9827833510), (4, 4913916755), (5, 3931133404), (10, 1965566702), (11, 1786878820), (20, 982783351), (22, 893439410), (44, 446719705), (55, 357375764), (110, 178687882), (211, 93154820), (220, 89343941), (422, 46577410), (844, 23288705), (1055, 18630964), (2110, 9315482), (2321, 8468620), (4220, 4657741), (4642, 4234310), (9284, 2117155), (11605, 1693724), (23210, 846862), (46420, 423431)]