18947268

素因数分解:

$2^2\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1873}}^1$

素因数の和:2164

約数の個数: 36

約数和(自身を含む): 48090588

約数和(自身を除く): 29143320

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 281, 562, 843, 1124, 1686, 1873, 2529, 3372, 3746, 5058, 5619, 7492, 10116, 11238, 16857, 22476, 33714, 67428, 526313, 1052626, 1578939, 2105252, 3157878, 4736817, 6315756, 9473634, 18947268]

約数ペア:

[(1, 18947268), (2, 9473634), (3, 6315756), (4, 4736817), (6, 3157878), (9, 2105252), (12, 1578939), (18, 1052626), (36, 526313), (281, 67428), (562, 33714), (843, 22476), (1124, 16857), (1686, 11238), (1873, 10116), (2529, 7492), (3372, 5619), (3746, 5058)]