19644540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{327409}}^1$

素因数の和:327421

約数の個数: 24

約数和(自身を含む): 55004880

約数和(自身を除く): 35360340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 327409, 654818, 982227, 1309636, 1637045, 1964454, 3274090, 3928908, 4911135, 6548180, 9822270, 19644540]

約数ペア:

[(1, 19644540), (2, 9822270), (3, 6548180), (4, 4911135), (5, 3928908), (6, 3274090), (10, 1964454), (12, 1637045), (15, 1309636), (20, 982227), (30, 654818), (60, 327409)]