18424840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{2861}}^1$

素因数の和:2902

約数の個数: 64

約数和(自身を含む): 49455360

約数和(自身を除く): 31030520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 56, 70, 92, 115, 140, 161, 184, 230, 280, 322, 460, 644, 805, 920, 1288, 1610, 2861, 3220, 5722, 6440, 11444, 14305, 20027, 22888, 28610, 40054, 57220, 65803, 80108, 100135, 114440, 131606, 160216, 200270, 263212, 329015, 400540, 460621, 526424, 658030, 801080, 921242, 1316060, 1842484, 2303105, 2632120, 3684968, 4606210, 9212420, 18424840]

約数ペア:

[(1, 18424840), (2, 9212420), (4, 4606210), (5, 3684968), (7, 2632120), (8, 2303105), (10, 1842484), (14, 1316060), (20, 921242), (23, 801080), (28, 658030), (35, 526424), (40, 460621), (46, 400540), (56, 329015), (70, 263212), (92, 200270), (115, 160216), (140, 131606), (161, 114440), (184, 100135), (230, 80108), (280, 65803), (322, 57220), (460, 40054), (644, 28610), (805, 22888), (920, 20027), (1288, 14305), (1610, 11444), (2861, 6440), (3220, 5722)]