18383480

素因数分解:

$2^3\times 5^1\times {\mathrm{241}}^1\times {\mathrm{1907}}^1$

素因数の和:2159

約数の個数: 32

約数和(自身を含む): 41556240

約数和(自身を除く): 23172760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 241, 482, 964, 1205, 1907, 1928, 2410, 3814, 4820, 7628, 9535, 9640, 15256, 19070, 38140, 76280, 459587, 919174, 1838348, 2297935, 3676696, 4595870, 9191740, 18383480]

約数ペア:

[(1, 18383480), (2, 9191740), (4, 4595870), (5, 3676696), (8, 2297935), (10, 1838348), (20, 919174), (40, 459587), (241, 76280), (482, 38140), (964, 19070), (1205, 15256), (1907, 9640), (1928, 9535), (2410, 7628), (3814, 4820)]