19329328

素因数分解:

$2^4\times {\mathrm{113}}^1\times {\mathrm{10691}}^1$

素因数の和:10812

約数の個数: 20

約数和(自身を含む): 37785528

約数和(自身を除く): 18456200

約数列:

[1, 2, 4, 8, 16, 113, 226, 452, 904, 1808, 10691, 21382, 42764, 85528, 171056, 1208083, 2416166, 4832332, 9664664, 19329328]

約数ペア:

[(1, 19329328), (2, 9664664), (4, 4832332), (8, 2416166), (16, 1208083), (113, 171056), (226, 85528), (452, 42764), (904, 21382), (1808, 10691)]