19922903

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{1531}}^1$

素因数の和:1575

約数の個数: 24

約数和(自身を含む): 26914176

約数和(自身を除く): 6991273

約数列:

[1, 7, 11, 13, 77, 91, 143, 169, 1001, 1183, 1531, 1859, 10717, 13013, 16841, 19903, 117887, 139321, 218933, 258739, 1532531, 1811173, 2846129, 19922903]

約数ペア:

[(1, 19922903), (7, 2846129), (11, 1811173), (13, 1532531), (77, 258739), (91, 218933), (143, 139321), (169, 117887), (1001, 19903), (1183, 16841), (1531, 13013), (1859, 10717)]