19457940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{324299}}^1$

素因数の和:324311

約数の個数: 24

約数和(自身を含む): 54482400

約数和(自身を除く): 35024460

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 324299, 648598, 972897, 1297196, 1621495, 1945794, 3242990, 3891588, 4864485, 6485980, 9728970, 19457940]

約数ペア:

[(1, 19457940), (2, 9728970), (3, 6485980), (4, 4864485), (5, 3891588), (6, 3242990), (10, 1945794), (12, 1621495), (15, 1297196), (20, 972897), (30, 648598), (60, 324299)]