19191011

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 32

約数和(自身を含む): 24675840

約数和(自身を除く): 5484829

約数列:

[1, 7, 17, 29, 67, 83, 119, 203, 469, 493, 581, 1139, 1411, 1943, 2407, 3451, 5561, 7973, 9877, 13601, 16849, 33031, 38927, 40919, 94537, 161269, 231217, 286433, 661759, 1128883, 2741573, 19191011]

約数ペア:

[(1, 19191011), (7, 2741573), (17, 1128883), (29, 661759), (67, 286433), (83, 231217), (119, 161269), (203, 94537), (469, 40919), (493, 38927), (581, 33031), (1139, 16849), (1411, 13601), (1943, 9877), (2407, 7973), (3451, 5561)]