18670740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28289}}^1$

素因数の和:28312

約数の個数: 48

約数和(自身を含む): 57032640

約数和(自身を除く): 38361900

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, 28289, 56578, 84867, 113156, 141445, 169734, 282890, 311179, 339468, 424335, 565780, 622358, 848670, 933537, 1244716, 1555895, 1697340, 1867074, 3111790, 3734148, 4667685, 6223580, 9335370, 18670740]

約数ペア:

[(1, 18670740), (2, 9335370), (3, 6223580), (4, 4667685), (5, 3734148), (6, 3111790), (10, 1867074), (11, 1697340), (12, 1555895), (15, 1244716), (20, 933537), (22, 848670), (30, 622358), (33, 565780), (44, 424335), (55, 339468), (60, 311179), (66, 282890), (110, 169734), (132, 141445), (165, 113156), (220, 84867), (330, 56578), (660, 28289)]