16215516

素因数分解:

$2^2\times 3^2\times {\mathrm{450431}}^1$

素因数の和:450441

約数の個数: 18

約数和(自身を含む): 40989312

約数和(自身を除く): 24773796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 450431, 900862, 1351293, 1801724, 2702586, 4053879, 5405172, 8107758, 16215516]

約数ペア:

[(1, 16215516), (2, 8107758), (3, 5405172), (4, 4053879), (6, 2702586), (9, 1801724), (12, 1351293), (18, 900862), (36, 450431)]