19861882

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{8719}}^1$

素因数の和:8805

約数の個数: 16

約数和(自身を含む): 32019840

約数和(自身を除く): 12157958

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 8719, 17438, 148223, 296446, 584173, 1168346, 9930941, 19861882]

約数ペア:

[(1, 19861882), (2, 9930941), (17, 1168346), (34, 584173), (67, 296446), (134, 148223), (1139, 17438), (2278, 8719)]