19700494

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{127}}^1\times {\mathrm{641}}^1$

素因数の和:792

約数の個数: 24

約数和(自身を含む): 32788224

約数和(自身を除く): 13087730

約数列:

[1, 2, 11, 22, 121, 127, 242, 254, 641, 1282, 1397, 2794, 7051, 14102, 15367, 30734, 77561, 81407, 155122, 162814, 895477, 1790954, 9850247, 19700494]

約数ペア:

[(1, 19700494), (2, 9850247), (11, 1790954), (22, 895477), (121, 162814), (127, 155122), (242, 81407), (254, 77561), (641, 30734), (1282, 15367), (1397, 14102), (2794, 7051)]