19613275

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{977}}^1$

素因数の和:1071

約数の個数: 24

約数和(自身を含む): 26922384

約数和(自身を除く): 7309109

約数列:

[1, 5, 11, 25, 55, 73, 275, 365, 803, 977, 1825, 4015, 4885, 10747, 20075, 24425, 53735, 71321, 268675, 356605, 784531, 1783025, 3922655, 19613275]

約数ペア:

[(1, 19613275), (5, 3922655), (11, 1783025), (25, 784531), (55, 356605), (73, 268675), (275, 71321), (365, 53735), (803, 24425), (977, 20075), (1825, 10747), (4015, 4885)]