18680375872

素因数分解:

$2^6\times {\mathrm{457}}^1\times {\mathrm{638689}}^1$

素因数の和:639158

約数の個数: 28

約数和(自身を含む): 37150042540

約数和(自身を除く): 18469666668

約数列:

[1, 2, 4, 8, 16, 32, 64, 457, 914, 1828, 3656, 7312, 14624, 29248, 638689, 1277378, 2554756, 5109512, 10219024, 20438048, 40876096, 291880873, 583761746, 1167523492, 2335046984, 4670093968, 9340187936, 18680375872]

約数ペア:

[(1, 18680375872), (2, 9340187936), (4, 4670093968), (8, 2335046984), (16, 1167523492), (32, 583761746), (64, 291880873), (457, 40876096), (914, 20438048), (1828, 10219024), (3656, 5109512), (7312, 2554756), (14624, 1277378), (29248, 638689)]