17918804980

素因数分解:

$2^2\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16904533}}^1$

素因数の和:16904595

約数の個数: 24

約数和(自身を含む): 38339483112

約数和(自身を除く): 20420678132

約数列:

[1, 2, 4, 5, 10, 20, 53, 106, 212, 265, 530, 1060, 16904533, 33809066, 67618132, 84522665, 169045330, 338090660, 895940249, 1791880498, 3583760996, 4479701245, 8959402490, 17918804980]

約数ペア:

[(1, 17918804980), (2, 8959402490), (4, 4479701245), (5, 3583760996), (10, 1791880498), (20, 895940249), (53, 338090660), (106, 169045330), (212, 84522665), (265, 67618132), (530, 33809066), (1060, 16904533)]