19843884

素因数分解:

$2^2\times 3^2\times {\mathrm{551219}}^1$

素因数の和:551229

約数の個数: 18

約数和(自身を含む): 50161020

約数和(自身を除く): 30317136

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 551219, 1102438, 1653657, 2204876, 3307314, 4960971, 6614628, 9921942, 19843884]

約数ペア:

[(1, 19843884), (2, 9921942), (3, 6614628), (4, 4960971), (6, 3307314), (9, 2204876), (12, 1653657), (18, 1102438), (36, 551219)]