18307526

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{449}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 30780000

約数和(自身を除く): 12472474

約数列:

[1, 2, 19, 29, 37, 38, 58, 74, 449, 551, 703, 898, 1073, 1102, 1406, 2146, 8531, 13021, 16613, 17062, 20387, 26042, 33226, 40774, 247399, 315647, 481777, 494798, 631294, 963554, 9153763, 18307526]

約数ペア:

[(1, 18307526), (2, 9153763), (19, 963554), (29, 631294), (37, 494798), (38, 481777), (58, 315647), (74, 247399), (449, 40774), (551, 33226), (703, 26042), (898, 20387), (1073, 17062), (1102, 16613), (1406, 13021), (2146, 8531)]