19054970

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1\times {\mathrm{557}}^1$

素因数の和:886

約数の個数: 32

約数和(自身を含む): 37604736

約数和(自身を除く): 18549766

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 311, 557, 622, 1114, 1555, 2785, 3110, 3421, 5570, 6127, 6842, 12254, 17105, 30635, 34210, 61270, 173227, 346454, 866135, 1732270, 1905497, 3810994, 9527485, 19054970]

約数ペア:

[(1, 19054970), (2, 9527485), (5, 3810994), (10, 1905497), (11, 1732270), (22, 866135), (55, 346454), (110, 173227), (311, 61270), (557, 34210), (622, 30635), (1114, 17105), (1555, 12254), (2785, 6842), (3110, 6127), (3421, 5570)]