18235809

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{641}}^1$

素因数の和:785

約数の個数: 24

約数和(自身を含む): 27541800

約数和(自身を除く): 9305991

約数列:

[1, 3, 9, 29, 87, 109, 261, 327, 641, 981, 1923, 3161, 5769, 9483, 18589, 28449, 55767, 69869, 167301, 209607, 628821, 2026201, 6078603, 18235809]

約数ペア:

[(1, 18235809), (3, 6078603), (9, 2026201), (29, 628821), (87, 209607), (109, 167301), (261, 69869), (327, 55767), (641, 28449), (981, 18589), (1923, 9483), (3161, 5769)]