19815238192

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{39950077}}^1$

素因数の和:39950116

約数の個数: 20

約数和(自身を含む): 39630477376

約数和(自身を除く): 19815239184

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 39950077, 79900154, 159800308, 319600616, 639201232, 1238452387, 2476904774, 4953809548, 9907619096, 19815238192]

約数ペア:

[(1, 19815238192), (2, 9907619096), (4, 4953809548), (8, 2476904774), (16, 1238452387), (31, 639201232), (62, 319600616), (124, 159800308), (248, 79900154), (496, 39950077)]