18446875209

素因数分解:

$3^2\times 7^2\times {\mathrm{1283}}^1\times {\mathrm{32603}}^1$

素因数の和:33906

約数の個数: 36

約数和(自身を含む): 31020880176

約数和(自身を除く): 12574004967

約数列:

[1, 3, 7, 9, 21, 49, 63, 147, 441, 1283, 3849, 8981, 11547, 26943, 32603, 62867, 80829, 97809, 188601, 228221, 293427, 565803, 684663, 1597547, 2053989, 4792641, 14377923, 41829649, 125488947, 292807543, 376466841, 878422629, 2049652801, 2635267887, 6148958403, 18446875209]

約数ペア:

[(1, 18446875209), (3, 6148958403), (7, 2635267887), (9, 2049652801), (21, 878422629), (49, 376466841), (63, 292807543), (147, 125488947), (441, 41829649), (1283, 14377923), (3849, 4792641), (8981, 2053989), (11547, 1597547), (26943, 684663), (32603, 565803), (62867, 293427), (80829, 228221), (97809, 188601)]