19461242

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{4421}}^1$

素因数の和:4525

約数の個数: 16

約数和(自身を含む): 30564864

約数和(自身を除く): 11103622

約数列:

[1, 2, 31, 62, 71, 142, 2201, 4402, 4421, 8842, 137051, 274102, 313891, 627782, 9730621, 19461242]

約数ペア:

[(1, 19461242), (2, 9730621), (31, 627782), (62, 313891), (71, 274102), (142, 137051), (2201, 8842), (4402, 4421)]