19135660

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1361}}^1$

素因数の和:1426

約数の個数: 48

約数和(自身を含む): 43475040

約数和(自身を除く): 24339380

約数列:

[1, 2, 4, 5, 10, 19, 20, 37, 38, 74, 76, 95, 148, 185, 190, 370, 380, 703, 740, 1361, 1406, 2722, 2812, 3515, 5444, 6805, 7030, 13610, 14060, 25859, 27220, 50357, 51718, 100714, 103436, 129295, 201428, 251785, 258590, 503570, 517180, 956783, 1007140, 1913566, 3827132, 4783915, 9567830, 19135660]

約数ペア:

[(1, 19135660), (2, 9567830), (4, 4783915), (5, 3827132), (10, 1913566), (19, 1007140), (20, 956783), (37, 517180), (38, 503570), (74, 258590), (76, 251785), (95, 201428), (148, 129295), (185, 103436), (190, 100714), (370, 51718), (380, 50357), (703, 27220), (740, 25859), (1361, 14060), (1406, 13610), (2722, 7030), (2812, 6805), (3515, 5444)]