19864836

素因数分解:

$2^2\times 3^2\times {\mathrm{551801}}^1$

素因数の和:551811

約数の個数: 18

約数和(自身を含む): 50213982

約数和(自身を除く): 30349146

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 551801, 1103602, 1655403, 2207204, 3310806, 4966209, 6621612, 9932418, 19864836]

約数ペア:

[(1, 19864836), (2, 9932418), (3, 6621612), (4, 4966209), (6, 3310806), (9, 2207204), (12, 1655403), (18, 1103602), (36, 551801)]