18533980

素因数分解:

$2^2\times 5^1\times {\mathrm{47}}^1\times {\mathrm{19717}}^1$

素因数の和:19773

約数の個数: 24

約数和(自身を含む): 39751488

約数和(自身を除く): 21217508

約数列:

[1, 2, 4, 5, 10, 20, 47, 94, 188, 235, 470, 940, 19717, 39434, 78868, 98585, 197170, 394340, 926699, 1853398, 3706796, 4633495, 9266990, 18533980]

約数ペア:

[(1, 18533980), (2, 9266990), (4, 4633495), (5, 3706796), (10, 1853398), (20, 926699), (47, 394340), (94, 197170), (188, 98585), (235, 78868), (470, 39434), (940, 19717)]