90181818

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{63419}}^1$

素因数の和:63506

約数の個数: 24

約数和(自身を含む): 197870400

約数和(自身を除く): 107688582

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 63419, 126838, 190257, 380514, 570771, 1141542, 5010101, 10020202, 15030303, 30060606, 45090909, 90181818]

約数ペア:

[(1, 90181818), (2, 45090909), (3, 30060606), (6, 15030303), (9, 10020202), (18, 5010101), (79, 1141542), (158, 570771), (237, 380514), (474, 190257), (711, 126838), (1422, 63419)]