2018167921

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{17989}}^1$

素因数の和:18085

約数の個数: 32

約数和(自身を含む): 2652733440

約数和(自身を除く): 634565519

約数列:

[1, 7, 11, 31, 47, 77, 217, 329, 341, 517, 1457, 2387, 3619, 10199, 16027, 17989, 112189, 125923, 197879, 557659, 845483, 1385153, 3903613, 5918381, 6134249, 9300313, 26209973, 42939743, 65102191, 183469811, 288309703, 2018167921]

約数ペア:

[(1, 2018167921), (7, 288309703), (11, 183469811), (31, 65102191), (47, 42939743), (77, 26209973), (217, 9300313), (329, 6134249), (341, 5918381), (517, 3903613), (1457, 1385153), (2387, 845483), (3619, 557659), (10199, 197879), (16027, 125923), (17989, 112189)]