20181132

素因数分解:

$2^2\times 3^2\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 72

約数和(自身を含む): 53253200

約数和(自身を除く): 33072068

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 37, 74, 109, 111, 139, 148, 218, 222, 278, 327, 333, 417, 436, 444, 556, 654, 666, 834, 981, 1251, 1308, 1332, 1668, 1962, 2502, 3924, 4033, 5004, 5143, 8066, 10286, 12099, 15151, 15429, 16132, 20572, 24198, 30302, 30858, 36297, 45453, 46287, 48396, 60604, 61716, 72594, 90906, 92574, 136359, 145188, 181812, 185148, 272718, 545436, 560587, 1121174, 1681761, 2242348, 3363522, 5045283, 6727044, 10090566, 20181132]

約数ペア:

[(1, 20181132), (2, 10090566), (3, 6727044), (4, 5045283), (6, 3363522), (9, 2242348), (12, 1681761), (18, 1121174), (36, 560587), (37, 545436), (74, 272718), (109, 185148), (111, 181812), (139, 145188), (148, 136359), (218, 92574), (222, 90906), (278, 72594), (327, 61716), (333, 60604), (417, 48396), (436, 46287), (444, 45453), (556, 36297), (654, 30858), (666, 30302), (834, 24198), (981, 20572), (1251, 16132), (1308, 15429), (1332, 15151), (1668, 12099), (1962, 10286), (2502, 8066), (3924, 5143), (4033, 5004)]