19635638

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1979}}^1$

素因数の和:2044

約数の個数: 24

約数和(自身を含む): 33180840

約数和(自身を除く): 13545202

約数列:

[1, 2, 11, 22, 41, 82, 121, 242, 451, 902, 1979, 3958, 4961, 9922, 21769, 43538, 81139, 162278, 239459, 478918, 892529, 1785058, 9817819, 19635638]

約数ペア:

[(1, 19635638), (2, 9817819), (11, 1785058), (22, 892529), (41, 478918), (82, 239459), (121, 162278), (242, 81139), (451, 43538), (902, 21769), (1979, 9922), (3958, 4961)]