199912788

素因数分解:

$2^2\times 3^2\times {\mathrm{5553133}}^1$

素因数の和:5553143

約数の個数: 18

約数和(自身を含む): 505335194

約数和(自身を除く): 305422406

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 5553133, 11106266, 16659399, 22212532, 33318798, 49978197, 66637596, 99956394, 199912788]

約数ペア:

[(1, 199912788), (2, 99956394), (3, 66637596), (4, 49978197), (6, 33318798), (9, 22212532), (12, 16659399), (18, 11106266), (36, 5553133)]