19121264

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{17837}}^1$

素因数の和:17912

約数の個数: 20

約数和(自身を含む): 37602504

約数和(自身を除く): 18481240

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 17837, 35674, 71348, 142696, 285392, 1195079, 2390158, 4780316, 9560632, 19121264]

約数ペア:

[(1, 19121264), (2, 9560632), (4, 4780316), (8, 2390158), (16, 1195079), (67, 285392), (134, 142696), (268, 71348), (536, 35674), (1072, 17837)]