20193388100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{10628099}}^1$

素因数の和:10628132

約数の個数: 36

約数和(自身を含む): 46125954000

約数和(自身を除く): 25932565900

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 38, 50, 76, 95, 100, 190, 380, 475, 950, 1900, 10628099, 21256198, 42512396, 53140495, 106280990, 201933881, 212561980, 265702475, 403867762, 531404950, 807735524, 1009669405, 1062809900, 2019338810, 4038677620, 5048347025, 10096694050, 20193388100]

約数ペア:

[(1, 20193388100), (2, 10096694050), (4, 5048347025), (5, 4038677620), (10, 2019338810), (19, 1062809900), (20, 1009669405), (25, 807735524), (38, 531404950), (50, 403867762), (76, 265702475), (95, 212561980), (100, 201933881), (190, 106280990), (380, 53140495), (475, 42512396), (950, 21256198), (1900, 10628099)]