18682864

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{68687}}^1$

素因数の和:68712

約数の個数: 20

約数和(自身を含む): 38327904

約数和(自身を除く): 19645040

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 68687, 137374, 274748, 549496, 1098992, 1167679, 2335358, 4670716, 9341432, 18682864]

約数ペア:

[(1, 18682864), (2, 9341432), (4, 4670716), (8, 2335358), (16, 1167679), (17, 1098992), (34, 549496), (68, 274748), (136, 137374), (272, 68687)]