201523196

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{19937}}^1$

素因数の和:19986

約数の個数: 36

約数和(自身を含む): 425397168

約数和(自身を除く): 223873972

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 361, 532, 722, 1444, 2527, 5054, 10108, 19937, 39874, 79748, 139559, 279118, 378803, 558236, 757606, 1515212, 2651621, 5303242, 7197257, 10606484, 14394514, 28789028, 50380799, 100761598, 201523196]

約数ペア:

[(1, 201523196), (2, 100761598), (4, 50380799), (7, 28789028), (14, 14394514), (19, 10606484), (28, 7197257), (38, 5303242), (76, 2651621), (133, 1515212), (266, 757606), (361, 558236), (532, 378803), (722, 279118), (1444, 139559), (2527, 79748), (5054, 39874), (10108, 19937)]