18968895

素因数分解:

$3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{38321}}^1$

素因数の和:38343

約数の個数: 24

約数和(自身を含む): 35869392

約数和(自身を除く): 16900497

約数列:

[1, 3, 5, 9, 11, 15, 33, 45, 55, 99, 165, 495, 38321, 114963, 191605, 344889, 421531, 574815, 1264593, 1724445, 2107655, 3793779, 6322965, 18968895]

約数ペア:

[(1, 18968895), (3, 6322965), (5, 3793779), (9, 2107655), (11, 1724445), (15, 1264593), (33, 574815), (45, 421531), (55, 344889), (99, 191605), (165, 114963), (495, 38321)]