19106120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{173}}^1\times {\mathrm{251}}^1$

素因数の和:446

約数の個数: 64

約数和(自身を含む): 47355840

約数和(自身を除く): 28249720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 173, 220, 251, 346, 440, 502, 692, 865, 1004, 1255, 1384, 1730, 1903, 2008, 2510, 2761, 3460, 3806, 5020, 5522, 6920, 7612, 9515, 10040, 11044, 13805, 15224, 19030, 22088, 27610, 38060, 43423, 55220, 76120, 86846, 110440, 173692, 217115, 347384, 434230, 477653, 868460, 955306, 1736920, 1910612, 2388265, 3821224, 4776530, 9553060, 19106120]

約数ペア:

[(1, 19106120), (2, 9553060), (4, 4776530), (5, 3821224), (8, 2388265), (10, 1910612), (11, 1736920), (20, 955306), (22, 868460), (40, 477653), (44, 434230), (55, 347384), (88, 217115), (110, 173692), (173, 110440), (220, 86846), (251, 76120), (346, 55220), (440, 43423), (502, 38060), (692, 27610), (865, 22088), (1004, 19030), (1255, 15224), (1384, 13805), (1730, 11044), (1903, 10040), (2008, 9515), (2510, 7612), (2761, 6920), (3460, 5522), (3806, 5020)]