18556274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{431}}^1$

素因数の和:566

約数の個数: 32

約数和(自身を含む): 32348160

約数和(自身を除く): 13791886

約数列:

[1, 2, 11, 19, 22, 38, 103, 206, 209, 418, 431, 862, 1133, 1957, 2266, 3914, 4741, 8189, 9482, 16378, 21527, 43054, 44393, 88786, 90079, 180158, 488323, 843467, 976646, 1686934, 9278137, 18556274]

約数ペア:

[(1, 18556274), (2, 9278137), (11, 1686934), (19, 976646), (22, 843467), (38, 488323), (103, 180158), (206, 90079), (209, 88786), (418, 44393), (431, 43054), (862, 21527), (1133, 16378), (1957, 9482), (2266, 8189), (3914, 4741)]