18198158

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:704

約数の個数: 24

約数和(自身を含む): 30276120

約数和(自身を除く): 12077962

約数列:

[1, 2, 11, 22, 121, 139, 242, 278, 541, 1082, 1529, 3058, 5951, 11902, 16819, 33638, 65461, 75199, 130922, 150398, 827189, 1654378, 9099079, 18198158]

約数ペア:

[(1, 18198158), (2, 9099079), (11, 1654378), (22, 827189), (121, 150398), (139, 130922), (242, 75199), (278, 65461), (541, 33638), (1082, 16819), (1529, 11902), (3058, 5951)]