18664270

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{4271}}^1$

素因数の和:4320

約数の個数: 32

約数和(自身を含む): 36910080

約数和(自身を除く): 18245810

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4271, 4370, 8542, 21355, 42710, 81149, 98233, 162298, 196466, 405745, 491165, 811490, 982330, 1866427, 3732854, 9332135, 18664270]

約数ペア:

[(1, 18664270), (2, 9332135), (5, 3732854), (10, 1866427), (19, 982330), (23, 811490), (38, 491165), (46, 405745), (95, 196466), (115, 162298), (190, 98233), (230, 81149), (437, 42710), (874, 21355), (2185, 8542), (4271, 4370)]