209213992270

素因数分解:

$2^1\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{18865103}}^1$

素因数の和:18866219

約数の個数: 16

約数和(自身を含む): 376924777920

約数和(自身を除く): 167710785650

約数列:

[1, 2, 5, 10, 1109, 2218, 5545, 11090, 18865103, 37730206, 94325515, 188651030, 20921399227, 41842798454, 104606996135, 209213992270]

約数ペア:

[(1, 209213992270), (2, 104606996135), (5, 41842798454), (10, 20921399227), (1109, 188651030), (2218, 94325515), (5545, 37730206), (11090, 18865103)]