18575635

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{19}}^1\times {\mathrm{89}}^1$

素因数の和:152

約数の個数: 32

約数和(自身を含む): 25704000

約数和(自身を除く): 7128365

約数列:

[1, 5, 13, 19, 65, 89, 95, 169, 247, 445, 845, 1157, 1235, 1691, 2197, 3211, 5785, 8455, 10985, 15041, 16055, 21983, 41743, 75205, 109915, 195533, 208715, 285779, 977665, 1428895, 3715127, 18575635]

約数ペア:

[(1, 18575635), (5, 3715127), (13, 1428895), (19, 977665), (65, 285779), (89, 208715), (95, 195533), (169, 109915), (247, 75205), (445, 41743), (845, 21983), (1157, 16055), (1235, 15041), (1691, 10985), (2197, 8455), (3211, 5785)]