18317290

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25799}}^1$

素因数の和:25877

約数の個数: 16

約数和(自身を含む): 33436800

約数和(自身を除く): 15119510

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 25799, 51598, 128995, 257990, 1831729, 3663458, 9158645, 18317290]

約数ペア:

[(1, 18317290), (2, 9158645), (5, 3663458), (10, 1831729), (71, 257990), (142, 128995), (355, 51598), (710, 25799)]