19914516

素因数分解:

$2^2\times 3^2\times {\mathrm{553181}}^1$

素因数の和:553191

約数の個数: 18

約数和(自身を含む): 50339562

約数和(自身を除く): 30425046

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 553181, 1106362, 1659543, 2212724, 3319086, 4978629, 6638172, 9957258, 19914516]

約数ペア:

[(1, 19914516), (2, 9957258), (3, 6638172), (4, 4978629), (6, 3319086), (9, 2212724), (12, 1659543), (18, 1106362), (36, 553181)]