2019144980

素因数分解:

$2^2\times 5^1\times {\mathrm{43}}^2\times {\mathrm{54601}}^1$

素因数の和:54696

約数の個数: 36

約数和(自身を含む): 4341186612

約数和(自身を除く): 2322041632

約数列:

[1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 860, 1849, 3698, 7396, 9245, 18490, 36980, 54601, 109202, 218404, 273005, 546010, 1092020, 2347843, 4695686, 9391372, 11739215, 23478430, 46956860, 100957249, 201914498, 403828996, 504786245, 1009572490, 2019144980]

約数ペア:

[(1, 2019144980), (2, 1009572490), (4, 504786245), (5, 403828996), (10, 201914498), (20, 100957249), (43, 46956860), (86, 23478430), (172, 11739215), (215, 9391372), (430, 4695686), (860, 2347843), (1849, 1092020), (3698, 546010), (7396, 273005), (9245, 218404), (18490, 109202), (36980, 54601)]