18551000

素因数分解:

$2^3\times 5^3\times {\mathrm{13}}^1\times {\mathrm{1427}}^1$

素因数の和:1461

約数の個数: 64

約数和(自身を含む): 46781280

約数和(自身を除く): 28230280

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, 1427, 1625, 2600, 2854, 3250, 5708, 6500, 7135, 11416, 13000, 14270, 18551, 28540, 35675, 37102, 57080, 71350, 74204, 92755, 142700, 148408, 178375, 185510, 285400, 356750, 371020, 463775, 713500, 742040, 927550, 1427000, 1855100, 2318875, 3710200, 4637750, 9275500, 18551000]

約数ペア:

[(1, 18551000), (2, 9275500), (4, 4637750), (5, 3710200), (8, 2318875), (10, 1855100), (13, 1427000), (20, 927550), (25, 742040), (26, 713500), (40, 463775), (50, 371020), (52, 356750), (65, 285400), (100, 185510), (104, 178375), (125, 148408), (130, 142700), (200, 92755), (250, 74204), (260, 71350), (325, 57080), (500, 37102), (520, 35675), (650, 28540), (1000, 18551), (1300, 14270), (1427, 13000), (1625, 11416), (2600, 7135), (2854, 6500), (3250, 5708)]