18863244

素因数分解:

$2^2\times 3^2\times {\mathrm{59}}^1\times {\mathrm{83}}^1\times {\mathrm{107}}^1$

素因数の和:259

約数の個数: 72

約数和(自身を含む): 49533120

約数和(自身を除く): 30669876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 59, 83, 107, 118, 166, 177, 214, 236, 249, 321, 332, 354, 428, 498, 531, 642, 708, 747, 963, 996, 1062, 1284, 1494, 1926, 2124, 2988, 3852, 4897, 6313, 8881, 9794, 12626, 14691, 17762, 18939, 19588, 25252, 26643, 29382, 35524, 37878, 44073, 53286, 56817, 58764, 75756, 79929, 88146, 106572, 113634, 159858, 176292, 227268, 319716, 523979, 1047958, 1571937, 2095916, 3143874, 4715811, 6287748, 9431622, 18863244]

約数ペア:

[(1, 18863244), (2, 9431622), (3, 6287748), (4, 4715811), (6, 3143874), (9, 2095916), (12, 1571937), (18, 1047958), (36, 523979), (59, 319716), (83, 227268), (107, 176292), (118, 159858), (166, 113634), (177, 106572), (214, 88146), (236, 79929), (249, 75756), (321, 58764), (332, 56817), (354, 53286), (428, 44073), (498, 37878), (531, 35524), (642, 29382), (708, 26643), (747, 25252), (963, 19588), (996, 18939), (1062, 17762), (1284, 14691), (1494, 12626), (1926, 9794), (2124, 8881), (2988, 6313), (3852, 4897)]