19443853

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{263}}^1$

素因数の和:345

約数の個数: 24

約数和(自身を含む): 23595264

約数和(自身を除く): 4151411

約数列:

[1, 11, 13, 47, 121, 143, 263, 517, 611, 1573, 2893, 3419, 5687, 6721, 12361, 31823, 37609, 73931, 135971, 160693, 413699, 1495681, 1767623, 19443853]

約数ペア:

[(1, 19443853), (11, 1767623), (13, 1495681), (47, 413699), (121, 160693), (143, 135971), (263, 73931), (517, 37609), (611, 31823), (1573, 12361), (2893, 6721), (3419, 5687)]