18008656

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59239}}^1$

素因数の和:59266

約数の個数: 20

約数和(自身を含む): 36728800

約数和(自身を除く): 18720144

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 59239, 118478, 236956, 473912, 947824, 1125541, 2251082, 4502164, 9004328, 18008656]

約数ペア:

[(1, 18008656), (2, 9004328), (4, 4502164), (8, 2251082), (16, 1125541), (19, 947824), (38, 473912), (76, 236956), (152, 118478), (304, 59239)]