19716686

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1609}}^1$

素因数の和:2179

約数の個数: 16

約数和(自身を含む): 32341680

約数和(自身を除く): 12624994

約数列:

[1, 2, 11, 22, 557, 1114, 1609, 3218, 6127, 12254, 17699, 35398, 896213, 1792426, 9858343, 19716686]

約数ペア:

[(1, 19716686), (2, 9858343), (11, 1792426), (22, 896213), (557, 35398), (1114, 17699), (1609, 12254), (3218, 6127)]