18765780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28433}}^1$

素因数の和:28456

約数の個数: 48

約数和(自身を含む): 57322944

約数和(自身を除く): 38557164

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 28433, 56866, 85299, 113732, 142165, 170598, 284330, 312763, 341196, 426495, 568660, 625526, 852990, 938289, 1251052, 1563815, 1705980, 1876578, 3127630, 3753156, 4691445, 6255260, 9382890, 18765780]

約数ペア:

[(1, 18765780), (2, 9382890), (3, 6255260), (4, 4691445), (5, 3753156), (6, 3127630), (10, 1876578), (11, 1705980), (12, 1563815), (15, 1251052), (20, 938289), (22, 852990), (30, 625526), (33, 568660), (44, 426495), (55, 341196), (60, 312763), (66, 284330), (110, 170598), (132, 142165), (165, 113732), (220, 85299), (330, 56866), (660, 28433)]