18968025

素因数分解:

$3^1\times 5^2\times {\mathrm{47}}^1\times {\mathrm{5381}}^1$

素因数の和:5441

約数の個数: 24

約数和(自身を含む): 32033664

約数和(自身を除く): 13065639

約数列:

[1, 3, 5, 15, 25, 47, 75, 141, 235, 705, 1175, 3525, 5381, 16143, 26905, 80715, 134525, 252907, 403575, 758721, 1264535, 3793605, 6322675, 18968025]

約数ペア:

[(1, 18968025), (3, 6322675), (5, 3793605), (15, 1264535), (25, 758721), (47, 403575), (75, 252907), (141, 134525), (235, 80715), (705, 26905), (1175, 16143), (3525, 5381)]