18457664

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{353}}^1$

素因数の和:427

約数の個数: 56

約数和(自身を含む): 39563040

約数和(自身を除く): 21105376

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 43, 64, 76, 86, 152, 172, 304, 344, 353, 608, 688, 706, 817, 1216, 1376, 1412, 1634, 2752, 2824, 3268, 5648, 6536, 6707, 11296, 13072, 13414, 15179, 22592, 26144, 26828, 30358, 52288, 53656, 60716, 107312, 121432, 214624, 242864, 288401, 429248, 485728, 576802, 971456, 1153604, 2307208, 4614416, 9228832, 18457664]

約数ペア:

[(1, 18457664), (2, 9228832), (4, 4614416), (8, 2307208), (16, 1153604), (19, 971456), (32, 576802), (38, 485728), (43, 429248), (64, 288401), (76, 242864), (86, 214624), (152, 121432), (172, 107312), (304, 60716), (344, 53656), (353, 52288), (608, 30358), (688, 26828), (706, 26144), (817, 22592), (1216, 15179), (1376, 13414), (1412, 13072), (1634, 11296), (2752, 6707), (2824, 6536), (3268, 5648)]