19386297

素因数分解:

$3^6\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1$

素因数の和:185

約数の個数: 56

約数和(自身を含む): 34626240

約数和(自身を除く): 15239943

約数列:

[1, 3, 7, 9, 21, 27, 29, 63, 81, 87, 131, 189, 203, 243, 261, 393, 567, 609, 729, 783, 917, 1179, 1701, 1827, 2349, 2751, 3537, 3799, 5103, 5481, 7047, 8253, 10611, 11397, 16443, 21141, 24759, 26593, 31833, 34191, 49329, 74277, 79779, 95499, 102573, 147987, 222831, 239337, 307719, 668493, 718011, 923157, 2154033, 2769471, 6462099, 19386297]

約数ペア:

[(1, 19386297), (3, 6462099), (7, 2769471), (9, 2154033), (21, 923157), (27, 718011), (29, 668493), (63, 307719), (81, 239337), (87, 222831), (131, 147987), (189, 102573), (203, 95499), (243, 79779), (261, 74277), (393, 49329), (567, 34191), (609, 31833), (729, 26593), (783, 24759), (917, 21141), (1179, 16443), (1701, 11397), (1827, 10611), (2349, 8253), (2751, 7047), (3537, 5481), (3799, 5103)]