18875241

素因数分解:

$3^3\times 7^2\times {\mathrm{11}}^1\times {\mathrm{1297}}^1$

素因数の和:1331

約数の個数: 48

約数和(自身を含む): 35513280

約数和(自身を除く): 16638039

約数列:

[1, 3, 7, 9, 11, 21, 27, 33, 49, 63, 77, 99, 147, 189, 231, 297, 441, 539, 693, 1297, 1323, 1617, 2079, 3891, 4851, 9079, 11673, 14267, 14553, 27237, 35019, 42801, 63553, 81711, 99869, 128403, 190659, 245133, 299607, 385209, 571977, 699083, 898821, 1715931, 2097249, 2696463, 6291747, 18875241]

約数ペア:

[(1, 18875241), (3, 6291747), (7, 2696463), (9, 2097249), (11, 1715931), (21, 898821), (27, 699083), (33, 571977), (49, 385209), (63, 299607), (77, 245133), (99, 190659), (147, 128403), (189, 99869), (231, 81711), (297, 63553), (441, 42801), (539, 35019), (693, 27237), (1297, 14553), (1323, 14267), (1617, 11673), (2079, 9079), (3891, 4851)]