18069986

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1\times {\mathrm{281}}^1$

素因数の和:410

約数の個数: 32

約数和(自身を含む): 30862080

約数和(自身を除く): 12792094

約数列:

[1, 2, 11, 22, 37, 74, 79, 158, 281, 407, 562, 814, 869, 1738, 2923, 3091, 5846, 6182, 10397, 20794, 22199, 32153, 44398, 64306, 114367, 228734, 244189, 488378, 821363, 1642726, 9034993, 18069986]

約数ペア:

[(1, 18069986), (2, 9034993), (11, 1642726), (22, 821363), (37, 488378), (74, 244189), (79, 228734), (158, 114367), (281, 64306), (407, 44398), (562, 32153), (814, 22199), (869, 20794), (1738, 10397), (2923, 6182), (3091, 5846)]