19664848

素因数分解:

$2^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{9241}}^1$

素因数の和:9275

約数の個数: 40

約数和(自身を含む): 45840320

約数和(自身を除く): 26175472

約数列:

[1, 2, 4, 7, 8, 14, 16, 19, 28, 38, 56, 76, 112, 133, 152, 266, 304, 532, 1064, 2128, 9241, 18482, 36964, 64687, 73928, 129374, 147856, 175579, 258748, 351158, 517496, 702316, 1034992, 1229053, 1404632, 2458106, 2809264, 4916212, 9832424, 19664848]

約数ペア:

[(1, 19664848), (2, 9832424), (4, 4916212), (7, 2809264), (8, 2458106), (14, 1404632), (16, 1229053), (19, 1034992), (28, 702316), (38, 517496), (56, 351158), (76, 258748), (112, 175579), (133, 147856), (152, 129374), (266, 73928), (304, 64687), (532, 36964), (1064, 18482), (2128, 9241)]