18915824

素因数分解:

$2^4\times {\mathrm{163}}^1\times {\mathrm{7253}}^1$

素因数の和:7424

約数の個数: 20

約数和(自身を含む): 36879336

約数和(自身を除く): 17963512

約数列:

[1, 2, 4, 8, 16, 163, 326, 652, 1304, 2608, 7253, 14506, 29012, 58024, 116048, 1182239, 2364478, 4728956, 9457912, 18915824]

約数ペア:

[(1, 18915824), (2, 9457912), (4, 4728956), (8, 2364478), (16, 1182239), (163, 116048), (326, 58024), (652, 29012), (1304, 14506), (2608, 7253)]