19563345

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{239}}^1$

素因数の和:374

約数の個数: 48

約数和(自身を含む): 36391680

約数和(自身を除く): 16828335

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 107, 153, 239, 255, 321, 535, 717, 765, 963, 1195, 1605, 1819, 2151, 3585, 4063, 4815, 5457, 9095, 10755, 12189, 16371, 20315, 25573, 27285, 36567, 60945, 76719, 81855, 127865, 182835, 230157, 383595, 434741, 1150785, 1304223, 2173705, 3912669, 6521115, 19563345]

約数ペア:

[(1, 19563345), (3, 6521115), (5, 3912669), (9, 2173705), (15, 1304223), (17, 1150785), (45, 434741), (51, 383595), (85, 230157), (107, 182835), (153, 127865), (239, 81855), (255, 76719), (321, 60945), (535, 36567), (717, 27285), (765, 25573), (963, 20315), (1195, 16371), (1605, 12189), (1819, 10755), (2151, 9095), (3585, 5457), (4063, 4815)]