19487897

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^2\times {\mathrm{953}}^1$

素因数の和:1001

約数の個数: 18

約数和(自身を含む): 23219406

約数和(自身を除く): 3731509

約数列:

[1, 11, 13, 121, 143, 169, 953, 1573, 1859, 10483, 12389, 20449, 115313, 136279, 161057, 1499069, 1771627, 19487897]

約数ペア:

[(1, 19487897), (11, 1771627), (13, 1499069), (121, 161057), (143, 136279), (169, 115313), (953, 20449), (1573, 12389), (1859, 10483)]