18394281

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{631}}^1$

素因数の和:757

約数の個数: 24

約数和(自身を含む): 27605760

約数和(自身を除く): 9211479

約数列:

[1, 3, 9, 41, 79, 123, 237, 369, 631, 711, 1893, 3239, 5679, 9717, 25871, 29151, 49849, 77613, 149547, 232839, 448641, 2043809, 6131427, 18394281]

約数ペア:

[(1, 18394281), (3, 6131427), (9, 2043809), (41, 448641), (79, 232839), (123, 149547), (237, 77613), (369, 49849), (631, 29151), (711, 25871), (1893, 9717), (3239, 5679)]