18400065

素因数分解:

$3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{42299}}^1$

素因数の和:42336

約数の個数: 16

約数和(自身を含む): 30456000

約数和(自身を除く): 12055935

約数列:

[1, 3, 5, 15, 29, 87, 145, 435, 42299, 126897, 211495, 634485, 1226671, 3680013, 6133355, 18400065]

約数ペア:

[(1, 18400065), (3, 6133355), (5, 3680013), (15, 1226671), (29, 634485), (87, 211495), (145, 126897), (435, 42299)]