18659510

素因数分解:

$2^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1\times {\mathrm{641}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 34945344

約数和(自身を除く): 16285834

約数列:

[1, 2, 5, 10, 41, 71, 82, 142, 205, 355, 410, 641, 710, 1282, 2911, 3205, 5822, 6410, 14555, 26281, 29110, 45511, 52562, 91022, 131405, 227555, 262810, 455110, 1865951, 3731902, 9329755, 18659510]

約数ペア:

[(1, 18659510), (2, 9329755), (5, 3731902), (10, 1865951), (41, 455110), (71, 262810), (82, 227555), (142, 131405), (205, 91022), (355, 52562), (410, 45511), (641, 29110), (710, 26281), (1282, 14555), (2911, 6410), (3205, 5822)]