19937439841

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{173}}^1\times {\mathrm{3967}}^1$

素因数の和:4309

約数の個数: 32

約数和(自身を含む): 23198515200

約数和(自身を除く): 3261075359

約数列:

[1, 11, 19, 139, 173, 209, 1529, 1903, 2641, 3287, 3967, 24047, 29051, 36157, 43637, 75373, 264517, 456893, 551413, 686291, 829103, 5025823, 6065543, 7549201, 10476847, 13039529, 95394449, 115245317, 143434819, 1049338939, 1812494531, 19937439841]

約数ペア:

[(1, 19937439841), (11, 1812494531), (19, 1049338939), (139, 143434819), (173, 115245317), (209, 95394449), (1529, 13039529), (1903, 10476847), (2641, 7549201), (3287, 6065543), (3967, 5025823), (24047, 829103), (29051, 686291), (36157, 551413), (43637, 456893), (75373, 264517)]