19845494

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{8221}}^1$

素因数の和:8311

約数の個数: 16

約数和(自身を含む): 31967136

約数和(自身を除く): 12121642

約数列:

[1, 2, 17, 34, 71, 142, 1207, 2414, 8221, 16442, 139757, 279514, 583691, 1167382, 9922747, 19845494]

約数ペア:

[(1, 19845494), (2, 9922747), (17, 1167382), (34, 583691), (71, 279514), (142, 139757), (1207, 16442), (2414, 8221)]