18601814

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{79}}^1\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 48

約数和(自身を含む): 35750400

約数和(自身を除く): 17148586

約数列:

[1, 2, 7, 11, 14, 22, 77, 79, 121, 139, 154, 158, 242, 278, 553, 847, 869, 973, 1106, 1529, 1694, 1738, 1946, 3058, 6083, 9559, 10703, 10981, 12166, 16819, 19118, 21406, 21962, 33638, 66913, 76867, 117733, 120791, 133826, 153734, 235466, 241582, 845537, 1328701, 1691074, 2657402, 9300907, 18601814]

約数ペア:

[(1, 18601814), (2, 9300907), (7, 2657402), (11, 1691074), (14, 1328701), (22, 845537), (77, 241582), (79, 235466), (121, 153734), (139, 133826), (154, 120791), (158, 117733), (242, 76867), (278, 66913), (553, 33638), (847, 21962), (869, 21406), (973, 19118), (1106, 16819), (1529, 12166), (1694, 10981), (1738, 10703), (1946, 9559), (3058, 6083)]