19886244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{3881}}^1$

素因数の和:3956

約数の個数: 48

約数和(自身を含む): 53913216

約数和(自身を除く): 34026972

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 3881, 5124, 7762, 11643, 15524, 23286, 27167, 46572, 54334, 81501, 108668, 163002, 236741, 326004, 473482, 710223, 946964, 1420446, 1657187, 2840892, 3314374, 4971561, 6628748, 9943122, 19886244]

約数ペア:

[(1, 19886244), (2, 9943122), (3, 6628748), (4, 4971561), (6, 3314374), (7, 2840892), (12, 1657187), (14, 1420446), (21, 946964), (28, 710223), (42, 473482), (61, 326004), (84, 236741), (122, 163002), (183, 108668), (244, 81501), (366, 54334), (427, 46572), (732, 27167), (854, 23286), (1281, 15524), (1708, 11643), (2562, 7762), (3881, 5124)]