18930429

素因数分解:

$3^5\times 7^1\times {\mathrm{31}}^1\times {\mathrm{359}}^1$

素因数の和:412

約数の個数: 48

約数和(自身を含む): 33546240

約数和(自身を除く): 14615811

約数列:

[1, 3, 7, 9, 21, 27, 31, 63, 81, 93, 189, 217, 243, 279, 359, 567, 651, 837, 1077, 1701, 1953, 2511, 2513, 3231, 5859, 7533, 7539, 9693, 11129, 17577, 22617, 29079, 33387, 52731, 67851, 77903, 87237, 100161, 203553, 233709, 300483, 610659, 701127, 901449, 2103381, 2704347, 6310143, 18930429]

約数ペア:

[(1, 18930429), (3, 6310143), (7, 2704347), (9, 2103381), (21, 901449), (27, 701127), (31, 610659), (63, 300483), (81, 233709), (93, 203553), (189, 100161), (217, 87237), (243, 77903), (279, 67851), (359, 52731), (567, 33387), (651, 29079), (837, 22617), (1077, 17577), (1701, 11129), (1953, 9693), (2511, 7539), (2513, 7533), (3231, 5859)]