19563972

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{139}}^1\times {\mathrm{317}}^1$

素因数の和:500

約数の個数: 48

約数和(自身を含む): 47369280

約数和(自身を除く): 27805308

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 139, 148, 222, 278, 317, 417, 444, 556, 634, 834, 951, 1268, 1668, 1902, 3804, 5143, 10286, 11729, 15429, 20572, 23458, 30858, 35187, 44063, 46916, 61716, 70374, 88126, 132189, 140748, 176252, 264378, 528756, 1630331, 3260662, 4890993, 6521324, 9781986, 19563972]

約数ペア:

[(1, 19563972), (2, 9781986), (3, 6521324), (4, 4890993), (6, 3260662), (12, 1630331), (37, 528756), (74, 264378), (111, 176252), (139, 140748), (148, 132189), (222, 88126), (278, 70374), (317, 61716), (417, 46916), (444, 44063), (556, 35187), (634, 30858), (834, 23458), (951, 20572), (1268, 15429), (1668, 11729), (1902, 10286), (3804, 5143)]