18730233

素因数分解:

$3^2\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{313}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 27839240

約数和(自身を除く): 9109007

約数列:

[1, 3, 9, 61, 109, 183, 313, 327, 549, 939, 981, 2817, 6649, 19093, 19947, 34117, 57279, 59841, 102351, 171837, 307053, 2081137, 6243411, 18730233]

約数ペア:

[(1, 18730233), (3, 6243411), (9, 2081137), (61, 307053), (109, 171837), (183, 102351), (313, 59841), (327, 57279), (549, 34117), (939, 19947), (981, 19093), (2817, 6649)]