19083920

素因数分解:

$2^4\times 5^1\times {\mathrm{149}}^1\times {\mathrm{1601}}^1$

素因数の和:1763

約数の個数: 40

約数和(自身を含む): 44695800

約数和(自身を除く): 25611880

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 149, 298, 596, 745, 1192, 1490, 1601, 2384, 2980, 3202, 5960, 6404, 8005, 11920, 12808, 16010, 25616, 32020, 64040, 128080, 238549, 477098, 954196, 1192745, 1908392, 2385490, 3816784, 4770980, 9541960, 19083920]

約数ペア:

[(1, 19083920), (2, 9541960), (4, 4770980), (5, 3816784), (8, 2385490), (10, 1908392), (16, 1192745), (20, 954196), (40, 477098), (80, 238549), (149, 128080), (298, 64040), (596, 32020), (745, 25616), (1192, 16010), (1490, 12808), (1601, 11920), (2384, 8005), (2980, 6404), (3202, 5960)]