19913834

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{131}}^1\times {\mathrm{263}}^1$

素因数の和:430

約数の個数: 24

約数和(自身を含む): 32095008

約数和(自身を除く): 12181174

約数列:

[1, 2, 17, 34, 131, 262, 263, 289, 526, 578, 2227, 4454, 4471, 8942, 34453, 37859, 68906, 75718, 76007, 152014, 585701, 1171402, 9956917, 19913834]

約数ペア:

[(1, 19913834), (2, 9956917), (17, 1171402), (34, 585701), (131, 152014), (262, 76007), (263, 75718), (289, 68906), (526, 37859), (578, 34453), (2227, 8942), (4454, 4471)]