40378644

素因数分解:

$2^2\times 3^2\times {\mathrm{1121629}}^1$

素因数の和:1121639

約数の個数: 18

約数和(自身を含む): 102068330

約数和(自身を除く): 61689686

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 1121629, 2243258, 3364887, 4486516, 6729774, 10094661, 13459548, 20189322, 40378644]

約数ペア:

[(1, 40378644), (2, 20189322), (3, 13459548), (4, 10094661), (6, 6729774), (9, 4486516), (12, 3364887), (18, 2243258), (36, 1121629)]