18732920

素因数分解:

$2^3\times 5^1\times {\mathrm{468323}}^1$

素因数の和:468334

約数の個数: 16

約数和(自身を含む): 42149160

約数和(自身を除く): 23416240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 468323, 936646, 1873292, 2341615, 3746584, 4683230, 9366460, 18732920]

約数ペア:

[(1, 18732920), (2, 9366460), (4, 4683230), (5, 3746584), (8, 2341615), (10, 1873292), (20, 936646), (40, 468323)]