18444860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{131749}}^1$

素因数の和:131765

約数の個数: 24

約数和(自身を含む): 44268000

約数和(自身を除く): 25823140

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 131749, 263498, 526996, 658745, 922243, 1317490, 1844486, 2634980, 3688972, 4611215, 9222430, 18444860]

約数ペア:

[(1, 18444860), (2, 9222430), (4, 4611215), (5, 3688972), (7, 2634980), (10, 1844486), (14, 1317490), (20, 922243), (28, 658745), (35, 526996), (70, 263498), (140, 131749)]