18467778

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{439709}}^1$

素因数の和:439721

約数の個数: 16

約数和(自身を含む): 42212160

約数和(自身を除く): 23744382

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 439709, 879418, 1319127, 2638254, 3077963, 6155926, 9233889, 18467778]

約数ペア:

[(1, 18467778), (2, 9233889), (3, 6155926), (6, 3077963), (7, 2638254), (14, 1319127), (21, 879418), (42, 439709)]