18997044

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{2027}}^1$

素因数の和:2116

約数の個数: 48

約数和(自身を含む): 49061376

約数和(自身を除く): 30064332

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 71, 132, 142, 213, 284, 426, 781, 852, 1562, 2027, 2343, 3124, 4054, 4686, 6081, 8108, 9372, 12162, 22297, 24324, 44594, 66891, 89188, 133782, 143917, 267564, 287834, 431751, 575668, 863502, 1583087, 1727004, 3166174, 4749261, 6332348, 9498522, 18997044]

約数ペア:

[(1, 18997044), (2, 9498522), (3, 6332348), (4, 4749261), (6, 3166174), (11, 1727004), (12, 1583087), (22, 863502), (33, 575668), (44, 431751), (66, 287834), (71, 267564), (132, 143917), (142, 133782), (213, 89188), (284, 66891), (426, 44594), (781, 24324), (852, 22297), (1562, 12162), (2027, 9372), (2343, 8108), (3124, 6081), (4054, 4686)]