19945447144

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{435947}}^1$

素因数の和:436022

約数の個数: 64

約数和(自身を含む): 46036108800

約数和(自身を除く): 26090661656

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 43, 56, 76, 86, 133, 152, 172, 266, 301, 344, 532, 602, 817, 1064, 1204, 1634, 2408, 3268, 5719, 6536, 11438, 22876, 45752, 435947, 871894, 1743788, 3051629, 3487576, 6103258, 8282993, 12206516, 16565986, 18745721, 24413032, 33131972, 37491442, 57980951, 66263944, 74982884, 115961902, 131220047, 149965768, 231923804, 262440094, 356168699, 463847608, 524880188, 712337398, 1049760376, 1424674796, 2493180893, 2849349592, 4986361786, 9972723572, 19945447144]

約数ペア:

[(1, 19945447144), (2, 9972723572), (4, 4986361786), (7, 2849349592), (8, 2493180893), (14, 1424674796), (19, 1049760376), (28, 712337398), (38, 524880188), (43, 463847608), (56, 356168699), (76, 262440094), (86, 231923804), (133, 149965768), (152, 131220047), (172, 115961902), (266, 74982884), (301, 66263944), (344, 57980951), (532, 37491442), (602, 33131972), (817, 24413032), (1064, 18745721), (1204, 16565986), (1634, 12206516), (2408, 8282993), (3268, 6103258), (5719, 3487576), (6536, 3051629), (11438, 1743788), (22876, 871894), (45752, 435947)]