18680354

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1201}}^1$

素因数の和:1322

約数の個数: 32

約数和(自身を含む): 35309952

約数和(自身を除く): 16629598

約数列:

[1, 2, 7, 11, 14, 22, 77, 101, 154, 202, 707, 1111, 1201, 1414, 2222, 2402, 7777, 8407, 13211, 15554, 16814, 26422, 92477, 121301, 184954, 242602, 849107, 1334311, 1698214, 2668622, 9340177, 18680354]

約数ペア:

[(1, 18680354), (2, 9340177), (7, 2668622), (11, 1698214), (14, 1334311), (22, 849107), (77, 242602), (101, 184954), (154, 121301), (202, 92477), (707, 26422), (1111, 16814), (1201, 15554), (1414, 13211), (2222, 8407), (2402, 7777)]