19922216

素因数分解:

$2^3\times {\mathrm{197}}^1\times {\mathrm{12641}}^1$

素因数の和:12844

約数の個数: 16

約数和(自身を含む): 37546740

約数和(自身を除く): 17624524

約数列:

[1, 2, 4, 8, 197, 394, 788, 1576, 12641, 25282, 50564, 101128, 2490277, 4980554, 9961108, 19922216]

約数ペア:

[(1, 19922216), (2, 9961108), (4, 4980554), (8, 2490277), (197, 101128), (394, 50564), (788, 25282), (1576, 12641)]