18867303

素因数分解:

$3^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1097}}^1$

素因数の和:1133

約数の個数: 48

約数和(自身を含む): 35048160

約数和(自身を除く): 16180857

約数列:

[1, 3, 7, 9, 13, 21, 27, 39, 49, 63, 91, 117, 147, 189, 273, 351, 441, 637, 819, 1097, 1323, 1911, 2457, 3291, 5733, 7679, 9873, 14261, 17199, 23037, 29619, 42783, 53753, 69111, 99827, 128349, 161259, 207333, 299481, 385047, 483777, 698789, 898443, 1451331, 2096367, 2695329, 6289101, 18867303]

約数ペア:

[(1, 18867303), (3, 6289101), (7, 2695329), (9, 2096367), (13, 1451331), (21, 898443), (27, 698789), (39, 483777), (49, 385047), (63, 299481), (91, 207333), (117, 161259), (147, 128349), (189, 99827), (273, 69111), (351, 53753), (441, 42783), (637, 29619), (819, 23037), (1097, 17199), (1323, 14261), (1911, 9873), (2457, 7679), (3291, 5733)]