19804535

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{1871}}^1$

素因数の和:1978

約数の個数: 16

約数和(自身を含む): 24935040

約数和(自身を除く): 5130505

約数列:

[1, 5, 29, 73, 145, 365, 1871, 2117, 9355, 10585, 54259, 136583, 271295, 682915, 3960907, 19804535]

約数ペア:

[(1, 19804535), (5, 3960907), (29, 682915), (73, 271295), (145, 136583), (365, 54259), (1871, 10585), (2117, 9355)]