19188830

素因数分解:

$2^1\times 5^1\times {\mathrm{661}}^1\times {\mathrm{2903}}^1$

素因数の和:3571

約数の個数: 16

約数和(自身を含む): 34604064

約数和(自身を除く): 15415234

約数列:

[1, 2, 5, 10, 661, 1322, 2903, 3305, 5806, 6610, 14515, 29030, 1918883, 3837766, 9594415, 19188830]

約数ペア:

[(1, 19188830), (2, 9594415), (5, 3837766), (10, 1918883), (661, 29030), (1322, 14515), (2903, 6610), (3305, 5806)]