18918612

素因数分解:

$2^2\times 3^2\times {\mathrm{525517}}^1$

素因数の和:525527

約数の個数: 18

約数和(自身を含む): 47822138

約数和(自身を除く): 28903526

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 525517, 1051034, 1576551, 2102068, 3153102, 4729653, 6306204, 9459306, 18918612]

約数ペア:

[(1, 18918612), (2, 9459306), (3, 6306204), (4, 4729653), (6, 3153102), (9, 2102068), (12, 1576551), (18, 1051034), (36, 525517)]