18646888

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{193}}^1\times {\mathrm{929}}^1$

素因数の和:1141

約数の個数: 32

約数和(自身を含む): 37888200

約数和(自身を除く): 19241312

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 193, 386, 772, 929, 1544, 1858, 2509, 3716, 5018, 7432, 10036, 12077, 20072, 24154, 48308, 96616, 179297, 358594, 717188, 1434376, 2330861, 4661722, 9323444, 18646888]

約数ペア:

[(1, 18646888), (2, 9323444), (4, 4661722), (8, 2330861), (13, 1434376), (26, 717188), (52, 358594), (104, 179297), (193, 96616), (386, 48308), (772, 24154), (929, 20072), (1544, 12077), (1858, 10036), (2509, 7432), (3716, 5018)]