19988512

素因数分解:

$2^5\times {\mathrm{67}}^1\times {\mathrm{9323}}^1$

素因数の和:9400

約数の個数: 24

約数和(自身を含む): 39944016

約数和(自身を除く): 19955504

約数列:

[1, 2, 4, 8, 16, 32, 67, 134, 268, 536, 1072, 2144, 9323, 18646, 37292, 74584, 149168, 298336, 624641, 1249282, 2498564, 4997128, 9994256, 19988512]

約数ペア:

[(1, 19988512), (2, 9994256), (4, 4997128), (8, 2498564), (16, 1249282), (32, 624641), (67, 298336), (134, 149168), (268, 74584), (536, 37292), (1072, 18646), (2144, 9323)]