19469395

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:667

約数の個数: 32

約数和(自身を含む): 27740160

約数和(自身を除く): 8270765

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 589, 601, 1045, 1705, 2945, 3005, 6479, 6611, 11419, 18631, 32395, 33055, 57095, 93155, 125609, 204941, 353989, 628045, 1024705, 1769945, 3893879, 19469395]

約数ペア:

[(1, 19469395), (5, 3893879), (11, 1769945), (19, 1024705), (31, 628045), (55, 353989), (95, 204941), (155, 125609), (209, 93155), (341, 57095), (589, 33055), (601, 32395), (1045, 18631), (1705, 11419), (2945, 6611), (3005, 6479)]