18383872

素因数分解:

$2^{10}\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1414

約数の個数: 44

約数和(自身を含む): 39605356

約数和(自身を除く): 21221484

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 256, 416, 512, 832, 1024, 1381, 1664, 2762, 3328, 5524, 6656, 11048, 13312, 17953, 22096, 35906, 44192, 71812, 88384, 143624, 176768, 287248, 353536, 574496, 707072, 1148992, 1414144, 2297984, 4595968, 9191936, 18383872]

約数ペア:

[(1, 18383872), (2, 9191936), (4, 4595968), (8, 2297984), (13, 1414144), (16, 1148992), (26, 707072), (32, 574496), (52, 353536), (64, 287248), (104, 176768), (128, 143624), (208, 88384), (256, 71812), (416, 44192), (512, 35906), (832, 22096), (1024, 17953), (1381, 13312), (1664, 11048), (2762, 6656), (3328, 5524)]