15551728

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{51157}}^1$

素因数の和:51184

約数の個数: 20

約数和(自身を含む): 31717960

約数和(自身を除く): 16166232

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 51157, 102314, 204628, 409256, 818512, 971983, 1943966, 3887932, 7775864, 15551728]

約数ペア:

[(1, 15551728), (2, 7775864), (4, 3887932), (8, 1943966), (16, 971983), (19, 818512), (38, 409256), (76, 204628), (152, 102314), (304, 51157)]