19799395

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{51427}}^1$

素因数の和:51450

約数の個数: 16

約数和(自身を含む): 29622528

約数和(自身を除く): 9823133

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 51427, 257135, 359989, 565697, 1799945, 2828485, 3959879, 19799395]

約数ペア:

[(1, 19799395), (5, 3959879), (7, 2828485), (11, 1799945), (35, 565697), (55, 359989), (77, 257135), (385, 51427)]