18940168

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{14009}}^1$

素因数の和:14041

約数の個数: 24

約数和(自身を含む): 38457450

約数和(自身を除く): 19517282

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 14009, 28018, 56036, 112072, 182117, 364234, 728468, 1456936, 2367521, 4735042, 9470084, 18940168]

約数ペア:

[(1, 18940168), (2, 9470084), (4, 4735042), (8, 2367521), (13, 1456936), (26, 728468), (52, 364234), (104, 182117), (169, 112072), (338, 56036), (676, 28018), (1352, 14009)]