18905580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105031}}^1$

素因数の和:105046

約数の個数: 36

約数和(自身を含む): 57347472

約数和(自身を除く): 38441892

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105031, 210062, 315093, 420124, 525155, 630186, 945279, 1050310, 1260372, 1575465, 1890558, 2100620, 3150930, 3781116, 4726395, 6301860, 9452790, 18905580]

約数ペア:

[(1, 18905580), (2, 9452790), (3, 6301860), (4, 4726395), (5, 3781116), (6, 3150930), (9, 2100620), (10, 1890558), (12, 1575465), (15, 1260372), (18, 1050310), (20, 945279), (30, 630186), (36, 525155), (45, 420124), (60, 315093), (90, 210062), (180, 105031)]