18135700

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{16487}}^1$

素因数の和:16512

約数の個数: 36

約数和(自身を含む): 42934752

約数和(自身を除く): 24799052

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 110, 220, 275, 550, 1100, 16487, 32974, 65948, 82435, 164870, 181357, 329740, 362714, 412175, 725428, 824350, 906785, 1648700, 1813570, 3627140, 4533925, 9067850, 18135700]

約数ペア:

[(1, 18135700), (2, 9067850), (4, 4533925), (5, 3627140), (10, 1813570), (11, 1648700), (20, 906785), (22, 824350), (25, 725428), (44, 412175), (50, 362714), (55, 329740), (100, 181357), (110, 164870), (220, 82435), (275, 65948), (550, 32974), (1100, 16487)]