18878551805

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{613}}^1\times {\mathrm{4519}}^1$

素因数の和:5213

約数の個数: 32

約数和(自身を含む): 23978419200

約数和(自身を除く): 5099867395

約数列:

[1, 5, 29, 47, 145, 235, 613, 1363, 3065, 4519, 6815, 17777, 22595, 28811, 88885, 131051, 144055, 212393, 655255, 835519, 1061965, 2770147, 4177595, 6159397, 13850735, 30796985, 80334263, 130196909, 401671315, 650984545, 3775710361, 18878551805]

約数ペア:

[(1, 18878551805), (5, 3775710361), (29, 650984545), (47, 401671315), (145, 130196909), (235, 80334263), (613, 30796985), (1363, 13850735), (3065, 6159397), (4519, 4177595), (6815, 2770147), (17777, 1061965), (22595, 835519), (28811, 655255), (88885, 212393), (131051, 144055)]