19886292

素因数分解:

$2^2\times 3^2\times {\mathrm{552397}}^1$

素因数の和:552407

約数の個数: 18

約数和(自身を含む): 50268218

約数和(自身を除く): 30381926

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 552397, 1104794, 1657191, 2209588, 3314382, 4971573, 6628764, 9943146, 19886292]

約数ペア:

[(1, 19886292), (2, 9943146), (3, 6628764), (4, 4971573), (6, 3314382), (9, 2209588), (12, 1657191), (18, 1104794), (36, 552397)]