18401360

素因数分解:

$2^4\times 5^1\times {\mathrm{230017}}^1$

素因数の和:230030

約数の個数: 20

約数和(自身を含む): 42783348

約数和(自身を除く): 24381988

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 230017, 460034, 920068, 1150085, 1840136, 2300170, 3680272, 4600340, 9200680, 18401360]

約数ペア:

[(1, 18401360), (2, 9200680), (4, 4600340), (5, 3680272), (8, 2300170), (10, 1840136), (16, 1150085), (20, 920068), (40, 460034), (80, 230017)]