18917666

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{127}}^1\times {\mathrm{1049}}^1$

素因数の和:1249

約数の個数: 16

約数和(自身を含む): 29030400

約数和(自身を除く): 10112734

約数列:

[1, 2, 71, 127, 142, 254, 1049, 2098, 9017, 18034, 74479, 133223, 148958, 266446, 9458833, 18917666]

約数ペア:

[(1, 18917666), (2, 9458833), (71, 266446), (127, 148958), (142, 133223), (254, 74479), (1049, 18034), (2098, 9017)]