18870254559

素因数分解:

$3^3\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{133403}}^1$

素因数の和:133469

約数の個数: 48

約数和(自身を含む): 31248552960

約数和(自身を除く): 12378298401

約数列:

[1, 3, 9, 13, 27, 31, 39, 93, 117, 169, 279, 351, 403, 507, 837, 1209, 1521, 3627, 4563, 5239, 10881, 15717, 47151, 133403, 141453, 400209, 1200627, 1734239, 3601881, 4135493, 5202717, 12406479, 15608151, 22545107, 37219437, 46824453, 53761409, 67635321, 111658311, 161284227, 202905963, 483852681, 608717889, 698898317, 1451558043, 2096694951, 6290084853, 18870254559]

約数ペア:

[(1, 18870254559), (3, 6290084853), (9, 2096694951), (13, 1451558043), (27, 698898317), (31, 608717889), (39, 483852681), (93, 202905963), (117, 161284227), (169, 111658311), (279, 67635321), (351, 53761409), (403, 46824453), (507, 37219437), (837, 22545107), (1209, 15608151), (1521, 12406479), (3627, 5202717), (4563, 4135493), (5239, 3601881), (10881, 1734239), (15717, 1200627), (47151, 400209), (133403, 141453)]