19660740

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29789}}^1$

素因数の和:29812

約数の個数: 48

約数和(自身を含む): 60056640

約数和(自身を除く): 40395900

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, 29789, 59578, 89367, 119156, 148945, 178734, 297890, 327679, 357468, 446835, 595780, 655358, 893670, 983037, 1310716, 1638395, 1787340, 1966074, 3276790, 3932148, 4915185, 6553580, 9830370, 19660740]

約数ペア:

[(1, 19660740), (2, 9830370), (3, 6553580), (4, 4915185), (5, 3932148), (6, 3276790), (10, 1966074), (11, 1787340), (12, 1638395), (15, 1310716), (20, 983037), (22, 893670), (30, 655358), (33, 595780), (44, 446835), (55, 357468), (60, 327679), (66, 297890), (110, 178734), (132, 148945), (165, 119156), (220, 89367), (330, 59578), (660, 29789)]