18019474

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{9203}}^1$

素因数の和:9305

約数の個数: 16

約数和(自身を含む): 29820960

約数和(自身を除く): 11801486

約数列:

[1, 2, 11, 22, 89, 178, 979, 1958, 9203, 18406, 101233, 202466, 819067, 1638134, 9009737, 18019474]

約数ペア:

[(1, 18019474), (2, 9009737), (11, 1638134), (22, 819067), (89, 202466), (178, 101233), (979, 18406), (1958, 9203)]