18703040

素因数分解:

$2^6\times 5^1\times {\mathrm{211}}^1\times {\mathrm{277}}^1$

素因数の和:505

約数の個数: 56

約数和(自身を含む): 44909232

約数和(自身を除く): 26206192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 211, 277, 320, 422, 554, 844, 1055, 1108, 1385, 1688, 2110, 2216, 2770, 3376, 4220, 4432, 5540, 6752, 8440, 8864, 11080, 13504, 16880, 17728, 22160, 33760, 44320, 58447, 67520, 88640, 116894, 233788, 292235, 467576, 584470, 935152, 1168940, 1870304, 2337880, 3740608, 4675760, 9351520, 18703040]

約数ペア:

[(1, 18703040), (2, 9351520), (4, 4675760), (5, 3740608), (8, 2337880), (10, 1870304), (16, 1168940), (20, 935152), (32, 584470), (40, 467576), (64, 292235), (80, 233788), (160, 116894), (211, 88640), (277, 67520), (320, 58447), (422, 44320), (554, 33760), (844, 22160), (1055, 17728), (1108, 16880), (1385, 13504), (1688, 11080), (2110, 8864), (2216, 8440), (2770, 6752), (3376, 5540), (4220, 4432)]