18688380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{311473}}^1$

素因数の和:311485

約数の個数: 24

約数和(自身を含む): 52327632

約数和(自身を除く): 33639252

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 311473, 622946, 934419, 1245892, 1557365, 1868838, 3114730, 3737676, 4672095, 6229460, 9344190, 18688380]

約数ペア:

[(1, 18688380), (2, 9344190), (3, 6229460), (4, 4672095), (5, 3737676), (6, 3114730), (10, 1868838), (12, 1557365), (15, 1245892), (20, 934419), (30, 622946), (60, 311473)]