18728794

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{389}}^1$

素因数の和:598

約数の個数: 32

約数和(自身を含む): 34070400

約数和(自身を除く): 15341606

約数列:

[1, 2, 7, 14, 19, 38, 133, 181, 266, 362, 389, 778, 1267, 2534, 2723, 3439, 5446, 6878, 7391, 14782, 24073, 48146, 51737, 70409, 103474, 140818, 492863, 985726, 1337771, 2675542, 9364397, 18728794]

約数ペア:

[(1, 18728794), (2, 9364397), (7, 2675542), (14, 1337771), (19, 985726), (38, 492863), (133, 140818), (181, 103474), (266, 70409), (362, 51737), (389, 48146), (778, 24073), (1267, 14782), (2534, 7391), (2723, 6878), (3439, 5446)]