18863000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1451}}^1$

素因数の和:1485

約数の個数: 64

約数和(自身を含む): 47567520

約数和(自身を除く): 28704520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 125, 130, 200, 250, 260, 325, 500, 520, 650, 1000, 1300, 1451, 1625, 2600, 2902, 3250, 5804, 6500, 7255, 11608, 13000, 14510, 18863, 29020, 36275, 37726, 58040, 72550, 75452, 94315, 145100, 150904, 181375, 188630, 290200, 362750, 377260, 471575, 725500, 754520, 943150, 1451000, 1886300, 2357875, 3772600, 4715750, 9431500, 18863000]

約数ペア:

[(1, 18863000), (2, 9431500), (4, 4715750), (5, 3772600), (8, 2357875), (10, 1886300), (13, 1451000), (20, 943150), (25, 754520), (26, 725500), (40, 471575), (50, 377260), (52, 362750), (65, 290200), (100, 188630), (104, 181375), (125, 150904), (130, 145100), (200, 94315), (250, 75452), (260, 72550), (325, 58040), (500, 37726), (520, 36275), (650, 29020), (1000, 18863), (1300, 14510), (1451, 13000), (1625, 11608), (2600, 7255), (2902, 6500), (3250, 5804)]