19859775

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20369}}^1$

素因数の和:20395

約数の個数: 24

約数和(自身を含む): 35362320

約数和(自身を除く): 15502545

約数列:

[1, 3, 5, 13, 15, 25, 39, 65, 75, 195, 325, 975, 20369, 61107, 101845, 264797, 305535, 509225, 794391, 1323985, 1527675, 3971955, 6619925, 19859775]

約数ペア:

[(1, 19859775), (3, 6619925), (5, 3971955), (13, 1527675), (15, 1323985), (25, 794391), (39, 509225), (65, 305535), (75, 264797), (195, 101845), (325, 61107), (975, 20369)]