19477168

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{18169}}^1$

素因数の和:18244

約数の個数: 20

約数和(自身を含む): 38302360

約数和(自身を除く): 18825192

約数列:

[1, 2, 4, 8, 16, 67, 134, 268, 536, 1072, 18169, 36338, 72676, 145352, 290704, 1217323, 2434646, 4869292, 9738584, 19477168]

約数ペア:

[(1, 19477168), (2, 9738584), (4, 4869292), (8, 2434646), (16, 1217323), (67, 290704), (134, 145352), (268, 72676), (536, 36338), (1072, 18169)]