18152368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:661

約数の個数: 40

約数和(自身を含む): 38153808

約数和(自身を除く): 20001440

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 197, 208, 394, 443, 788, 886, 1576, 1772, 2561, 3152, 3544, 5122, 5759, 7088, 10244, 11518, 20488, 23036, 40976, 46072, 87271, 92144, 174542, 349084, 698168, 1134523, 1396336, 2269046, 4538092, 9076184, 18152368]

約数ペア:

[(1, 18152368), (2, 9076184), (4, 4538092), (8, 2269046), (13, 1396336), (16, 1134523), (26, 698168), (52, 349084), (104, 174542), (197, 92144), (208, 87271), (394, 46072), (443, 40976), (788, 23036), (886, 20488), (1576, 11518), (1772, 10244), (2561, 7088), (3152, 5759), (3544, 5122)]