19904574

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^2\times {\mathrm{1181}}^1$

素因数の和:1292

約数の個数: 24

約数和(自身を含む): 40608792

約数和(自身を除く): 20704218

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 1181, 2362, 2809, 3543, 5618, 7086, 8427, 16854, 62593, 125186, 187779, 375558, 3317429, 6634858, 9952287, 19904574]

約数ペア:

[(1, 19904574), (2, 9952287), (3, 6634858), (6, 3317429), (53, 375558), (106, 187779), (159, 125186), (318, 62593), (1181, 16854), (2362, 8427), (2809, 7086), (3543, 5618)]