18297741

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{379}}^1$

素因数の和:430

約数の個数: 48

約数和(自身を含む): 32345600

約数和(自身を除く): 14047859

約数列:

[1, 3, 7, 11, 19, 21, 33, 57, 77, 121, 133, 209, 231, 363, 379, 399, 627, 847, 1137, 1463, 2299, 2541, 2653, 4169, 4389, 6897, 7201, 7959, 12507, 16093, 21603, 29183, 45859, 48279, 50407, 79211, 87549, 137577, 151221, 237633, 321013, 554477, 871321, 963039, 1663431, 2613963, 6099247, 18297741]

約数ペア:

[(1, 18297741), (3, 6099247), (7, 2613963), (11, 1663431), (19, 963039), (21, 871321), (33, 554477), (57, 321013), (77, 237633), (121, 151221), (133, 137577), (209, 87549), (231, 79211), (363, 50407), (379, 48279), (399, 45859), (627, 29183), (847, 21603), (1137, 16093), (1463, 12507), (2299, 7959), (2541, 7201), (2653, 6897), (4169, 4389)]