18424287

素因数分解:

$3^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{1373}}^1$

素因数の和:1460

約数の個数: 32

約数和(自身を含む): 31656960

約数和(自身を除く): 13232673

約数列:

[1, 3, 7, 9, 21, 27, 63, 71, 189, 213, 497, 639, 1373, 1491, 1917, 4119, 4473, 9611, 12357, 13419, 28833, 37071, 86499, 97483, 259497, 292449, 682381, 877347, 2047143, 2632041, 6141429, 18424287]

約数ペア:

[(1, 18424287), (3, 6141429), (7, 2632041), (9, 2047143), (21, 877347), (27, 682381), (63, 292449), (71, 259497), (189, 97483), (213, 86499), (497, 37071), (639, 28833), (1373, 13419), (1491, 12357), (1917, 9611), (4119, 4473)]