19909788

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{5741}}^1$

素因数の和:5782

約数の個数: 36

約数和(自身を含む): 49358232

約数和(自身を除く): 29448444

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 289, 578, 867, 1156, 1734, 3468, 5741, 11482, 17223, 22964, 34446, 68892, 97597, 195194, 292791, 390388, 585582, 1171164, 1659149, 3318298, 4977447, 6636596, 9954894, 19909788]

約数ペア:

[(1, 19909788), (2, 9954894), (3, 6636596), (4, 4977447), (6, 3318298), (12, 1659149), (17, 1171164), (34, 585582), (51, 390388), (68, 292791), (102, 195194), (204, 97597), (289, 68892), (578, 34446), (867, 22964), (1156, 17223), (1734, 11482), (3468, 5741)]