18386360

素因数分解:

$2^3\times 5^1\times {\mathrm{673}}^1\times {\mathrm{683}}^1$

素因数の和:1367

約数の個数: 32

約数和(自身を含む): 41491440

約数和(自身を除く): 23105080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 673, 683, 1346, 1366, 2692, 2732, 3365, 3415, 5384, 5464, 6730, 6830, 13460, 13660, 26920, 27320, 459659, 919318, 1838636, 2298295, 3677272, 4596590, 9193180, 18386360]

約数ペア:

[(1, 18386360), (2, 9193180), (4, 4596590), (5, 3677272), (8, 2298295), (10, 1838636), (20, 919318), (40, 459659), (673, 27320), (683, 26920), (1346, 13660), (1366, 13460), (2692, 6830), (2732, 6730), (3365, 5464), (3415, 5384)]