39905168

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{131267}}^1$

素因数の和:131294

約数の個数: 20

約数和(自身を含む): 81386160

約数和(自身を除く): 41480992

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 131267, 262534, 525068, 1050136, 2100272, 2494073, 4988146, 9976292, 19952584, 39905168]

約数ペア:

[(1, 39905168), (2, 19952584), (4, 9976292), (8, 4988146), (16, 2494073), (19, 2100272), (38, 1050136), (76, 525068), (152, 262534), (304, 131267)]