18950589

素因数分解:

$3^2\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1291}}^1$

素因数の和:1537

約数の個数: 24

約数和(自身を含む): 31442112

約数和(自身を除く): 12491523

約数列:

[1, 3, 7, 9, 21, 63, 233, 699, 1291, 1631, 2097, 3873, 4893, 9037, 11619, 14679, 27111, 81333, 300803, 902409, 2105621, 2707227, 6316863, 18950589]

約数ペア:

[(1, 18950589), (3, 6316863), (7, 2707227), (9, 2105621), (21, 902409), (63, 300803), (233, 81333), (699, 27111), (1291, 14679), (1631, 11619), (2097, 9037), (3873, 4893)]