18172430

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{349}}^1$

素因数の和:524

約数の個数: 32

約数和(自身を含む): 33868800

約数和(自身を除く): 15696370

約数列:

[1, 2, 5, 10, 41, 82, 127, 205, 254, 349, 410, 635, 698, 1270, 1745, 3490, 5207, 10414, 14309, 26035, 28618, 44323, 52070, 71545, 88646, 143090, 221615, 443230, 1817243, 3634486, 9086215, 18172430]

約数ペア:

[(1, 18172430), (2, 9086215), (5, 3634486), (10, 1817243), (41, 443230), (82, 221615), (127, 143090), (205, 88646), (254, 71545), (349, 52070), (410, 44323), (635, 28618), (698, 26035), (1270, 14309), (1745, 10414), (3490, 5207)]