19971572308

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{363569}}^1$

素因数の和:364047

約数の個数: 24

約数和(自身を含む): 36159217920

約数和(自身を除く): 16187645612

約数列:

[1, 2, 4, 31, 62, 124, 443, 886, 1772, 13733, 27466, 54932, 363569, 727138, 1454276, 11270639, 22541278, 45082556, 161061067, 322122134, 644244268, 4992893077, 9985786154, 19971572308]

約数ペア:

[(1, 19971572308), (2, 9985786154), (4, 4992893077), (31, 644244268), (62, 322122134), (124, 161061067), (443, 45082556), (886, 22541278), (1772, 11270639), (13733, 1454276), (27466, 727138), (54932, 363569)]