19647320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{6379}}^1$

素因数の和:6408

約数の個数: 64

約数和(自身を含む): 55123200

約数和(自身を除く): 35475880

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 6379, 12758, 25516, 31895, 44653, 51032, 63790, 70169, 89306, 127580, 140338, 178612, 223265, 255160, 280676, 350845, 357224, 446530, 491183, 561352, 701690, 893060, 982366, 1403380, 1786120, 1964732, 2455915, 2806760, 3929464, 4911830, 9823660, 19647320]

約数ペア:

[(1, 19647320), (2, 9823660), (4, 4911830), (5, 3929464), (7, 2806760), (8, 2455915), (10, 1964732), (11, 1786120), (14, 1403380), (20, 982366), (22, 893060), (28, 701690), (35, 561352), (40, 491183), (44, 446530), (55, 357224), (56, 350845), (70, 280676), (77, 255160), (88, 223265), (110, 178612), (140, 140338), (154, 127580), (220, 89306), (280, 70169), (308, 63790), (385, 51032), (440, 44653), (616, 31895), (770, 25516), (1540, 12758), (3080, 6379)]