18746624

素因数分解:

$2^8\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:203

約数の個数: 72

約数和(自身を含む): 41550432

約数和(自身を除く): 22803808

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 43, 52, 64, 86, 104, 128, 131, 172, 208, 256, 262, 344, 416, 524, 559, 688, 832, 1048, 1118, 1376, 1664, 1703, 2096, 2236, 2752, 3328, 3406, 4192, 4472, 5504, 5633, 6812, 8384, 8944, 11008, 11266, 13624, 16768, 17888, 22532, 27248, 33536, 35776, 45064, 54496, 71552, 73229, 90128, 108992, 143104, 146458, 180256, 217984, 292916, 360512, 435968, 585832, 721024, 1171664, 1442048, 2343328, 4686656, 9373312, 18746624]

約数ペア:

[(1, 18746624), (2, 9373312), (4, 4686656), (8, 2343328), (13, 1442048), (16, 1171664), (26, 721024), (32, 585832), (43, 435968), (52, 360512), (64, 292916), (86, 217984), (104, 180256), (128, 146458), (131, 143104), (172, 108992), (208, 90128), (256, 73229), (262, 71552), (344, 54496), (416, 45064), (524, 35776), (559, 33536), (688, 27248), (832, 22532), (1048, 17888), (1118, 16768), (1376, 13624), (1664, 11266), (1703, 11008), (2096, 8944), (2236, 8384), (2752, 6812), (3328, 5633), (3406, 5504), (4192, 4472)]