18091240

素因数分解:

$2^3\times 5^1\times {\mathrm{47}}^1\times {\mathrm{9623}}^1$

素因数の和:9681

約数の個数: 32

約数和(自身を含む): 41575680

約数和(自身を除く): 23484440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 47, 94, 188, 235, 376, 470, 940, 1880, 9623, 19246, 38492, 48115, 76984, 96230, 192460, 384920, 452281, 904562, 1809124, 2261405, 3618248, 4522810, 9045620, 18091240]

約数ペア:

[(1, 18091240), (2, 9045620), (4, 4522810), (5, 3618248), (8, 2261405), (10, 1809124), (20, 904562), (40, 452281), (47, 384920), (94, 192460), (188, 96230), (235, 76984), (376, 48115), (470, 38492), (940, 19246), (1880, 9623)]