18705712

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68771}}^1$

素因数の和:68796

約数の個数: 20

約数和(自身を含む): 38374776

約数和(自身を除く): 19669064

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68771, 137542, 275084, 550168, 1100336, 1169107, 2338214, 4676428, 9352856, 18705712]

約数ペア:

[(1, 18705712), (2, 9352856), (4, 4676428), (8, 2338214), (16, 1169107), (17, 1100336), (34, 550168), (68, 275084), (136, 137542), (272, 68771)]