18914384

素因数分解:

$2^4\times {\mathrm{521}}^1\times {\mathrm{2269}}^1$

素因数の和:2798

約数の個数: 20

約数和(自身を含む): 36733140

約数和(自身を除く): 17818756

約数列:

[1, 2, 4, 8, 16, 521, 1042, 2084, 2269, 4168, 4538, 8336, 9076, 18152, 36304, 1182149, 2364298, 4728596, 9457192, 18914384]

約数ペア:

[(1, 18914384), (2, 9457192), (4, 4728596), (8, 2364298), (16, 1182149), (521, 36304), (1042, 18152), (2084, 9076), (2269, 8336), (4168, 4538)]