18871998

素因数分解:

$2^1\times 3^1\times {\mathrm{37}}^1\times {\mathrm{85009}}^1$

素因数の和:85051

約数の個数: 16

約数和(自身を含む): 38764560

約数和(自身を除く): 19892562

約数列:

[1, 2, 3, 6, 37, 74, 111, 222, 85009, 170018, 255027, 510054, 3145333, 6290666, 9435999, 18871998]

約数ペア:

[(1, 18871998), (2, 9435999), (3, 6290666), (6, 3145333), (37, 510054), (74, 255027), (111, 170018), (222, 85009)]