18742544

素因数分解:

$2^4\times {\mathrm{331}}^1\times {\mathrm{3539}}^1$

素因数の和:3878

約数の個数: 20

約数和(自身を含む): 36433680

約数和(自身を除く): 17691136

約数列:

[1, 2, 4, 8, 16, 331, 662, 1324, 2648, 3539, 5296, 7078, 14156, 28312, 56624, 1171409, 2342818, 4685636, 9371272, 18742544]

約数ペア:

[(1, 18742544), (2, 9371272), (4, 4685636), (8, 2342818), (16, 1171409), (331, 56624), (662, 28312), (1324, 14156), (2648, 7078), (3539, 5296)]