18912986

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{281}}^1\times {\mathrm{461}}^1$

素因数の和:817

約数の個数: 16

約数和(自身を含む): 28923048

約数和(自身を除く): 10010062

約数列:

[1, 2, 73, 146, 281, 461, 562, 922, 20513, 33653, 41026, 67306, 129541, 259082, 9456493, 18912986]

約数ペア:

[(1, 18912986), (2, 9456493), (73, 259082), (146, 129541), (281, 67306), (461, 41026), (562, 33653), (922, 20513)]