19875050

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{30577}}^1$

素因数の和:30602

約数の個数: 24

約数和(自身を含む): 39812556

約数和(自身を除く): 19937506

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 30577, 61154, 152885, 305770, 397501, 764425, 795002, 1528850, 1987505, 3975010, 9937525, 19875050]

約数ペア:

[(1, 19875050), (2, 9937525), (5, 3975010), (10, 1987505), (13, 1528850), (25, 795002), (26, 764425), (50, 397501), (65, 305770), (130, 152885), (325, 61154), (650, 30577)]