19219442

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{28181}}^1$

素因数の和:28225

約数の個数: 16

約数和(自身を含む): 32465664

約数和(自身を除く): 13246222

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 28181, 56362, 309991, 619982, 873611, 1747222, 9609721, 19219442]

約数ペア:

[(1, 19219442), (2, 9609721), (11, 1747222), (22, 873611), (31, 619982), (62, 309991), (341, 56362), (682, 28181)]