19684160

素因数分解:

$2^6\times 5^1\times {\mathrm{137}}^1\times {\mathrm{449}}^1$

素因数の和:603

約数の個数: 56

約数和(自身を含む): 47320200

約数和(自身を除く): 27636040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 137, 160, 274, 320, 449, 548, 685, 898, 1096, 1370, 1796, 2192, 2245, 2740, 3592, 4384, 4490, 5480, 7184, 8768, 8980, 10960, 14368, 17960, 21920, 28736, 35920, 43840, 61513, 71840, 123026, 143680, 246052, 307565, 492104, 615130, 984208, 1230260, 1968416, 2460520, 3936832, 4921040, 9842080, 19684160]

約数ペア:

[(1, 19684160), (2, 9842080), (4, 4921040), (5, 3936832), (8, 2460520), (10, 1968416), (16, 1230260), (20, 984208), (32, 615130), (40, 492104), (64, 307565), (80, 246052), (137, 143680), (160, 123026), (274, 71840), (320, 61513), (449, 43840), (548, 35920), (685, 28736), (898, 21920), (1096, 17960), (1370, 14368), (1796, 10960), (2192, 8980), (2245, 8768), (2740, 7184), (3592, 5480), (4384, 4490)]