18907622

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{2749}}^1$

素因数の和:2951

約数の個数: 16

約数和(自身を含む): 30030000

約数和(自身を除く): 11122378

約数列:

[1, 2, 19, 38, 181, 362, 2749, 3439, 5498, 6878, 52231, 104462, 497569, 995138, 9453811, 18907622]

約数ペア:

[(1, 18907622), (2, 9453811), (19, 995138), (38, 497569), (181, 104462), (362, 52231), (2749, 6878), (3439, 5498)]