19702919

素因数分解:

${\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1$

素因数の和:370

約数の個数: 16

約数和(自身を含む): 21258720

約数和(自身を除く): 1555801

約数列:

[1, 29, 41, 73, 227, 1189, 2117, 2993, 6583, 9307, 16571, 86797, 269903, 480559, 679411, 19702919]

約数ペア:

[(1, 19702919), (29, 679411), (41, 480559), (73, 269903), (227, 86797), (1189, 16571), (2117, 9307), (2993, 6583)]