18885464

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1607}}^1$

素因数の和:1739

約数の個数: 32

約数和(自身を含む): 38495520

約数和(自身を除く): 19610056

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1469, 1607, 2938, 3214, 5876, 6428, 11752, 12856, 20891, 41782, 83564, 167128, 181591, 363182, 726364, 1452728, 2360683, 4721366, 9442732, 18885464]

約数ペア:

[(1, 18885464), (2, 9442732), (4, 4721366), (8, 2360683), (13, 1452728), (26, 726364), (52, 363182), (104, 181591), (113, 167128), (226, 83564), (452, 41782), (904, 20891), (1469, 12856), (1607, 11752), (2938, 6428), (3214, 5876)]