2647815376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{8709919}}^1$

素因数の和:8709946

約数の個数: 20

約数和(自身を含む): 5400150400

約数和(自身を除く): 2752335024

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 8709919, 17419838, 34839676, 69679352, 139358704, 165488461, 330976922, 661953844, 1323907688, 2647815376]

約数ペア:

[(1, 2647815376), (2, 1323907688), (4, 661953844), (8, 330976922), (16, 165488461), (19, 139358704), (38, 69679352), (76, 34839676), (152, 17419838), (304, 8709919)]