18841893

素因数分解:

$3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{281}}^1$

素因数の和:425

約数の個数: 32

約数和(自身を含む): 30031872

約数和(自身を除く): 11189979

約数列:

[1, 3, 7, 21, 31, 93, 103, 217, 281, 309, 651, 721, 843, 1967, 2163, 3193, 5901, 8711, 9579, 22351, 26133, 28943, 60977, 67053, 86829, 182931, 202601, 607803, 897233, 2691699, 6280631, 18841893]

約数ペア:

[(1, 18841893), (3, 6280631), (7, 2691699), (21, 897233), (31, 607803), (93, 202601), (103, 182931), (217, 86829), (281, 67053), (309, 60977), (651, 28943), (721, 26133), (843, 22351), (1967, 9579), (2163, 8711), (3193, 5901)]