17997655

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^2\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 36

約数和(自身を含む): 25100280

約数和(自身を除く): 7102625

約数列:

[1, 5, 13, 19, 59, 65, 95, 169, 247, 295, 361, 767, 845, 1121, 1235, 1805, 3211, 3835, 4693, 5605, 9971, 14573, 16055, 21299, 23465, 49855, 61009, 72865, 106495, 189449, 276887, 305045, 947245, 1384435, 3599531, 17997655]

約数ペア:

[(1, 17997655), (5, 3599531), (13, 1384435), (19, 947245), (59, 305045), (65, 276887), (95, 189449), (169, 106495), (247, 72865), (295, 61009), (361, 49855), (767, 23465), (845, 21299), (1121, 16055), (1235, 14573), (1805, 9971), (3211, 5605), (3835, 4693)]