18664812

素因数分解:

$2^2\times 3^2\times {\mathrm{518467}}^1$

素因数の和:518477

約数の個数: 18

約数和(自身を含む): 47180588

約数和(自身を除く): 28515776

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 518467, 1036934, 1555401, 2073868, 3110802, 4666203, 6221604, 9332406, 18664812]

約数ペア:

[(1, 18664812), (2, 9332406), (3, 6221604), (4, 4666203), (6, 3110802), (9, 2073868), (12, 1555401), (18, 1036934), (36, 518467)]