18375399

素因数分解:

$3^2\times 7^1\times {\mathrm{137}}^1\times {\mathrm{2129}}^1$

素因数の和:2279

約数の個数: 24

約数和(自身を含む): 30569760

約数和(自身を除く): 12194361

約数列:

[1, 3, 7, 9, 21, 63, 137, 411, 959, 1233, 2129, 2877, 6387, 8631, 14903, 19161, 44709, 134127, 291673, 875019, 2041711, 2625057, 6125133, 18375399]

約数ペア:

[(1, 18375399), (3, 6125133), (7, 2625057), (9, 2041711), (21, 875019), (63, 291673), (137, 134127), (411, 44709), (959, 19161), (1233, 14903), (2129, 8631), (2877, 6387)]