19277340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{321289}}^1$

素因数の和:321301

約数の個数: 24

約数和(自身を含む): 53976720

約数和(自身を除く): 34699380

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 321289, 642578, 963867, 1285156, 1606445, 1927734, 3212890, 3855468, 4819335, 6425780, 9638670, 19277340]

約数ペア:

[(1, 19277340), (2, 9638670), (3, 6425780), (4, 4819335), (5, 3855468), (6, 3212890), (10, 1927734), (12, 1606445), (15, 1285156), (20, 963867), (30, 642578), (60, 321289)]