18929290

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{337}}^1$

素因数の和:522

約数の個数: 32

約数和(自身を含む): 35262864

約数和(自身を除く): 16333574

約数列:

[1, 2, 5, 10, 41, 82, 137, 205, 274, 337, 410, 674, 685, 1370, 1685, 3370, 5617, 11234, 13817, 27634, 28085, 46169, 56170, 69085, 92338, 138170, 230845, 461690, 1892929, 3785858, 9464645, 18929290]

約数ペア:

[(1, 18929290), (2, 9464645), (5, 3785858), (10, 1892929), (41, 461690), (82, 230845), (137, 138170), (205, 92338), (274, 69085), (337, 56170), (410, 46169), (674, 28085), (685, 27634), (1370, 13817), (1685, 11234), (3370, 5617)]