19284759

素因数分解:

$3^2\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{409}}^1$

素因数の和:472

約数の個数: 36

約数和(自身を含む): 31212480

約数和(自身を除く): 11927721

約数列:

[1, 3, 9, 13, 31, 39, 93, 117, 169, 279, 403, 409, 507, 1209, 1227, 1521, 3627, 3681, 5239, 5317, 12679, 15717, 15951, 38037, 47151, 47853, 69121, 114111, 164827, 207363, 494481, 622089, 1483443, 2142751, 6428253, 19284759]

約数ペア:

[(1, 19284759), (3, 6428253), (9, 2142751), (13, 1483443), (31, 622089), (39, 494481), (93, 207363), (117, 164827), (169, 114111), (279, 69121), (403, 47853), (409, 47151), (507, 38037), (1209, 15951), (1227, 15717), (1521, 12679), (3627, 5317), (3681, 5239)]