19019399

素因数分解:

$7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{659}}^1$

素因数の和:723

約数の個数: 24

約数和(自身を含む): 24076800

約数和(自身を除く): 5057401

約数列:

[1, 7, 19, 31, 49, 133, 217, 589, 659, 931, 1519, 4123, 4613, 12521, 20429, 28861, 32291, 87647, 143003, 388151, 613529, 1001021, 2717057, 19019399]

約数ペア:

[(1, 19019399), (7, 2717057), (19, 1001021), (31, 613529), (49, 388151), (133, 143003), (217, 87647), (589, 32291), (659, 28861), (931, 20429), (1519, 12521), (4123, 4613)]