1918918

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{421}}^1$

素因数の和:519

約数の個数: 16

約数和(自身を含む): 3008016

約数和(自身を除く): 1089098

約数列:

[1, 2, 43, 53, 86, 106, 421, 842, 2279, 4558, 18103, 22313, 36206, 44626, 959459, 1918918]

約数ペア:

[(1, 1918918), (2, 959459), (43, 44626), (53, 36206), (86, 22313), (106, 18103), (421, 4558), (842, 2279)]