19803878

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:272

約数の個数: 32

約数和(自身を含む): 32607360

約数和(自身を除く): 12803482

約数列:

[1, 2, 17, 34, 73, 79, 101, 146, 158, 202, 1241, 1343, 1717, 2482, 2686, 3434, 5767, 7373, 7979, 11534, 14746, 15958, 98039, 125341, 135643, 196078, 250682, 271286, 582467, 1164934, 9901939, 19803878]

約数ペア:

[(1, 19803878), (2, 9901939), (17, 1164934), (34, 582467), (73, 271286), (79, 250682), (101, 196078), (146, 135643), (158, 125341), (202, 98039), (1241, 15958), (1343, 14746), (1717, 11534), (2482, 7979), (2686, 7373), (3434, 5767)]