19865986

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{167}}^1\times {\mathrm{293}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 35562240

約数和(自身を除く): 15696254

約数列:

[1, 2, 7, 14, 29, 58, 167, 203, 293, 334, 406, 586, 1169, 2051, 2338, 4102, 4843, 8497, 9686, 16994, 33901, 48931, 59479, 67802, 97862, 118958, 342517, 685034, 1418999, 2837998, 9932993, 19865986]

約数ペア:

[(1, 19865986), (2, 9932993), (7, 2837998), (14, 1418999), (29, 685034), (58, 342517), (167, 118958), (203, 97862), (293, 67802), (334, 59479), (406, 48931), (586, 33901), (1169, 16994), (2051, 9686), (2338, 8497), (4102, 4843)]