19001199

素因数分解:

$3^1\times 7^1\times {\mathrm{181}}^1\times {\mathrm{4999}}^1$

素因数の和:5190

約数の個数: 16

約数和(自身を含む): 29120000

約数和(自身を除く): 10118801

約数列:

[1, 3, 7, 21, 181, 543, 1267, 3801, 4999, 14997, 34993, 104979, 904819, 2714457, 6333733, 19001199]

約数ペア:

[(1, 19001199), (3, 6333733), (7, 2714457), (21, 904819), (181, 104979), (543, 34993), (1267, 14997), (3801, 4999)]