19757254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{8719}}^1$

素因数の和:8835

約数の個数: 16

約数和(自身を含む): 32647680

約数和(自身を除く): 12890426

約数列:

[1, 2, 11, 22, 103, 206, 1133, 2266, 8719, 17438, 95909, 191818, 898057, 1796114, 9878627, 19757254]

約数ペア:

[(1, 19757254), (2, 9878627), (11, 1796114), (22, 898057), (103, 191818), (206, 95909), (1133, 17438), (2266, 8719)]