18522128

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{349}}^1$

素因数の和:495

約数の個数: 40

約数和(自身を含む): 37497600

約数和(自身を除く): 18975472

約数列:

[1, 2, 4, 8, 16, 31, 62, 107, 124, 214, 248, 349, 428, 496, 698, 856, 1396, 1712, 2792, 3317, 5584, 6634, 10819, 13268, 21638, 26536, 37343, 43276, 53072, 74686, 86552, 149372, 173104, 298744, 597488, 1157633, 2315266, 4630532, 9261064, 18522128]

約数ペア:

[(1, 18522128), (2, 9261064), (4, 4630532), (8, 2315266), (16, 1157633), (31, 597488), (62, 298744), (107, 173104), (124, 149372), (214, 86552), (248, 74686), (349, 53072), (428, 43276), (496, 37343), (698, 26536), (856, 21638), (1396, 13268), (1712, 10819), (2792, 6634), (3317, 5584)]