18991786488

素因数分解:

$2^3\times 3^1\times {\mathrm{251}}^1\times {\mathrm{829}}^1\times {\mathrm{3803}}^1$

素因数の和:4892

約数の個数: 64

約数和(自身を含む): 47738678400

約数和(自身を除く): 28746891912

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 251, 502, 753, 829, 1004, 1506, 1658, 2008, 2487, 3012, 3316, 3803, 4974, 6024, 6632, 7606, 9948, 11409, 15212, 19896, 22818, 30424, 45636, 91272, 208079, 416158, 624237, 832316, 954553, 1248474, 1664632, 1909106, 2496948, 2863659, 3152687, 3818212, 4993896, 5727318, 6305374, 7636424, 9458061, 11454636, 12610748, 18916122, 22909272, 25221496, 37832244, 75664488, 791324437, 1582648874, 2373973311, 3165297748, 4747946622, 6330595496, 9495893244, 18991786488]

約数ペア:

[(1, 18991786488), (2, 9495893244), (3, 6330595496), (4, 4747946622), (6, 3165297748), (8, 2373973311), (12, 1582648874), (24, 791324437), (251, 75664488), (502, 37832244), (753, 25221496), (829, 22909272), (1004, 18916122), (1506, 12610748), (1658, 11454636), (2008, 9458061), (2487, 7636424), (3012, 6305374), (3316, 5727318), (3803, 4993896), (4974, 3818212), (6024, 3152687), (6632, 2863659), (7606, 2496948), (9948, 1909106), (11409, 1664632), (15212, 1248474), (19896, 954553), (22818, 832316), (30424, 624237), (45636, 416158), (91272, 208079)]