18696040

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{42491}}^1$

素因数の和:42513

約数の個数: 32

約数和(自身を含む): 45891360

約数和(自身を除く): 27195320

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 42491, 84982, 169964, 212455, 339928, 424910, 467401, 849820, 934802, 1699640, 1869604, 2337005, 3739208, 4674010, 9348020, 18696040]

約数ペア:

[(1, 18696040), (2, 9348020), (4, 4674010), (5, 3739208), (8, 2337005), (10, 1869604), (11, 1699640), (20, 934802), (22, 849820), (40, 467401), (44, 424910), (55, 339928), (88, 212455), (110, 169964), (220, 84982), (440, 42491)]