18645694870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{3877}}^1\times {\mathrm{43721}}^1$

素因数の和:47616

約数の個数: 32

約数和(自身を含む): 36623645856

約数和(自身を除く): 17977950986

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 3877, 7754, 19385, 38770, 42647, 43721, 85294, 87442, 213235, 218605, 426470, 437210, 480931, 961862, 2404655, 4809310, 169506317, 339012634, 847531585, 1695063170, 1864569487, 3729138974, 9322847435, 18645694870]

約数ペア:

[(1, 18645694870), (2, 9322847435), (5, 3729138974), (10, 1864569487), (11, 1695063170), (22, 847531585), (55, 339012634), (110, 169506317), (3877, 4809310), (7754, 2404655), (19385, 961862), (38770, 480931), (42647, 437210), (43721, 426470), (85294, 218605), (87442, 213235)]