9817940

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{4057}}^1$

素因数の和:4088

約数の個数: 36

約数和(自身を含む): 22667988

約数和(自身を除く): 12850048

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 121, 220, 242, 484, 605, 1210, 2420, 4057, 8114, 16228, 20285, 40570, 44627, 81140, 89254, 178508, 223135, 446270, 490897, 892540, 981794, 1963588, 2454485, 4908970, 9817940]

約数ペア:

[(1, 9817940), (2, 4908970), (4, 2454485), (5, 1963588), (10, 981794), (11, 892540), (20, 490897), (22, 446270), (44, 223135), (55, 178508), (110, 89254), (121, 81140), (220, 44627), (242, 40570), (484, 20285), (605, 16228), (1210, 8114), (2420, 4057)]