19998536436

素因数分解:

$2^2\times 3^2\times {\mathrm{555514901}}^1$

素因数の和:555514911

約数の個数: 18

約数和(自身を含む): 50551856082

約数和(自身を除く): 30553319646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 555514901, 1111029802, 1666544703, 2222059604, 3333089406, 4999634109, 6666178812, 9999268218, 19998536436]

約数ペア:

[(1, 19998536436), (2, 9999268218), (3, 6666178812), (4, 4999634109), (6, 3333089406), (9, 2222059604), (12, 1666544703), (18, 1111029802), (36, 555514901)]