19268560

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{2251}}^1$

素因数の和:2371

約数の個数: 40

約数和(自身を含む): 45238176

約数和(自身を除く): 25969616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1712, 2140, 2251, 4280, 4502, 8560, 9004, 11255, 18008, 22510, 36016, 45020, 90040, 180080, 240857, 481714, 963428, 1204285, 1926856, 2408570, 3853712, 4817140, 9634280, 19268560]

約数ペア:

[(1, 19268560), (2, 9634280), (4, 4817140), (5, 3853712), (8, 2408570), (10, 1926856), (16, 1204285), (20, 963428), (40, 481714), (80, 240857), (107, 180080), (214, 90040), (428, 45020), (535, 36016), (856, 22510), (1070, 18008), (1712, 11255), (2140, 9004), (2251, 8560), (4280, 4502)]