19794208

素因数分解:

$2^5\times 7^1\times {\mathrm{97}}^1\times {\mathrm{911}}^1$

素因数の和:1025

約数の個数: 48

約数和(自身を含む): 45045504

約数和(自身を除く): 25251296

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 97, 112, 194, 224, 388, 679, 776, 911, 1358, 1552, 1822, 2716, 3104, 3644, 5432, 6377, 7288, 10864, 12754, 14576, 21728, 25508, 29152, 51016, 88367, 102032, 176734, 204064, 353468, 618569, 706936, 1237138, 1413872, 2474276, 2827744, 4948552, 9897104, 19794208]

約数ペア:

[(1, 19794208), (2, 9897104), (4, 4948552), (7, 2827744), (8, 2474276), (14, 1413872), (16, 1237138), (28, 706936), (32, 618569), (56, 353468), (97, 204064), (112, 176734), (194, 102032), (224, 88367), (388, 51016), (679, 29152), (776, 25508), (911, 21728), (1358, 14576), (1552, 12754), (1822, 10864), (2716, 7288), (3104, 6377), (3644, 5432)]