18017671

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{227}}^1$

素因数の和:303

約数の個数: 32

約数和(自身を含む): 23639040

約数和(自身を除く): 5621369

約数列:

[1, 7, 17, 23, 29, 119, 161, 203, 227, 391, 493, 667, 1589, 2737, 3451, 3859, 4669, 5221, 6583, 11339, 27013, 36547, 46081, 79373, 88757, 111911, 151409, 621299, 783377, 1059863, 2573953, 18017671]

約数ペア:

[(1, 18017671), (7, 2573953), (17, 1059863), (23, 783377), (29, 621299), (119, 151409), (161, 111911), (203, 88757), (227, 79373), (391, 46081), (493, 36547), (667, 27013), (1589, 11339), (2737, 6583), (3451, 5221), (3859, 4669)]