18698731170056

素因数分解:

$2^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{21401}}^1\times {\mathrm{90187}}^1$

素因数の和:111774

約数の個数: 64

約数和(自身を含む): 40302650666880

約数和(自身を除く): 21603919496824

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 173, 346, 692, 1211, 1384, 2422, 4844, 9688, 21401, 42802, 85604, 90187, 149807, 171208, 180374, 299614, 360748, 599228, 631309, 721496, 1198456, 1262618, 2525236, 3702373, 5050472, 7404746, 14809492, 15602351, 25916611, 29618984, 31204702, 51833222, 62409404, 103666444, 109216457, 124818808, 207332888, 218432914, 436865828, 873731656, 1930091987, 3860183974, 7720367948, 13510643909, 15440735896, 27021287818, 54042575636, 108085151272, 333905913751, 667811827502, 1335623655004, 2337341396257, 2671247310008, 4674682792514, 9349365585028, 18698731170056]

約数ペア:

[(1, 18698731170056), (2, 9349365585028), (4, 4674682792514), (7, 2671247310008), (8, 2337341396257), (14, 1335623655004), (28, 667811827502), (56, 333905913751), (173, 108085151272), (346, 54042575636), (692, 27021287818), (1211, 15440735896), (1384, 13510643909), (2422, 7720367948), (4844, 3860183974), (9688, 1930091987), (21401, 873731656), (42802, 436865828), (85604, 218432914), (90187, 207332888), (149807, 124818808), (171208, 109216457), (180374, 103666444), (299614, 62409404), (360748, 51833222), (599228, 31204702), (631309, 29618984), (721496, 25916611), (1198456, 15602351), (1262618, 14809492), (2525236, 7404746), (3702373, 5050472)]