19229791

素因数分解:

$7^1\times {\mathrm{103}}^1\times {\mathrm{149}}^1\times {\mathrm{179}}^1$

素因数の和:438

約数の個数: 16

約数和(自身を含む): 22464000

約数和(自身を除く): 3234209

約数列:

[1, 7, 103, 149, 179, 721, 1043, 1253, 15347, 18437, 26671, 107429, 129059, 186697, 2747113, 19229791]

約数ペア:

[(1, 19229791), (7, 2747113), (103, 186697), (149, 129059), (179, 107429), (721, 26671), (1043, 18437), (1253, 15347)]