18837072107

素因数分解:

$7^2\times {\mathrm{157}}^1\times {\mathrm{313}}^1\times {\mathrm{7823}}^1$

素因数の和:8307

約数の個数: 24

約数和(自身を含む): 22125364416

約数和(自身を除く): 3288292309

約数列:

[1, 7, 49, 157, 313, 1099, 2191, 7693, 7823, 15337, 49141, 54761, 343987, 383327, 1228211, 2407909, 2448599, 8597477, 17140193, 60182339, 119981351, 384430043, 2691010301, 18837072107]

約数ペア:

[(1, 18837072107), (7, 2691010301), (49, 384430043), (157, 119981351), (313, 60182339), (1099, 17140193), (2191, 8597477), (7693, 2448599), (7823, 2407909), (15337, 1228211), (49141, 383327), (54761, 343987)]