18477712

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{104987}}^1$

素因数の和:105006

約数の個数: 20

約数和(自身を含む): 39055536

約数和(自身を除く): 20577824

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 104987, 209974, 419948, 839896, 1154857, 1679792, 2309714, 4619428, 9238856, 18477712]

約数ペア:

[(1, 18477712), (2, 9238856), (4, 4619428), (8, 2309714), (11, 1679792), (16, 1154857), (22, 839896), (44, 419948), (88, 209974), (176, 104987)]