18756694

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{179}}^1\times {\mathrm{433}}^1$

素因数の和:636

約数の個数: 24

約数和(自身を含む): 31169880

約数和(自身を除く): 12413186

約数列:

[1, 2, 11, 22, 121, 179, 242, 358, 433, 866, 1969, 3938, 4763, 9526, 21659, 43318, 52393, 77507, 104786, 155014, 852577, 1705154, 9378347, 18756694]

約数ペア:

[(1, 18756694), (2, 9378347), (11, 1705154), (22, 852577), (121, 155014), (179, 104786), (242, 77507), (358, 52393), (433, 43318), (866, 21659), (1969, 9526), (3938, 4763)]