19805148

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{5557}}^1$

素因数の和:5584

約数の個数: 60

約数和(自身を含む): 56491512

約数和(自身を除く): 36686364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 297, 324, 396, 594, 891, 1188, 1782, 3564, 5557, 11114, 16671, 22228, 33342, 50013, 61127, 66684, 100026, 122254, 150039, 183381, 200052, 244508, 300078, 366762, 450117, 550143, 600156, 733524, 900234, 1100286, 1650429, 1800468, 2200572, 3300858, 4951287, 6601716, 9902574, 19805148]

約数ペア:

[(1, 19805148), (2, 9902574), (3, 6601716), (4, 4951287), (6, 3300858), (9, 2200572), (11, 1800468), (12, 1650429), (18, 1100286), (22, 900234), (27, 733524), (33, 600156), (36, 550143), (44, 450117), (54, 366762), (66, 300078), (81, 244508), (99, 200052), (108, 183381), (132, 150039), (162, 122254), (198, 100026), (297, 66684), (324, 61127), (396, 50013), (594, 33342), (891, 22228), (1188, 16671), (1782, 11114), (3564, 5557)]