18514797

素因数分解:

$3^1\times 7^3\times {\mathrm{19}}^1\times {\mathrm{947}}^1$

素因数の和:990

約数の個数: 32

約数和(自身を含む): 30336000

約数和(自身を除く): 11821203

約数列:

[1, 3, 7, 19, 21, 49, 57, 133, 147, 343, 399, 931, 947, 1029, 2793, 2841, 6517, 6629, 17993, 19551, 19887, 46403, 53979, 125951, 139209, 324821, 377853, 881657, 974463, 2644971, 6171599, 18514797]

約数ペア:

[(1, 18514797), (3, 6171599), (7, 2644971), (19, 974463), (21, 881657), (49, 377853), (57, 324821), (133, 139209), (147, 125951), (343, 53979), (399, 46403), (931, 19887), (947, 19551), (1029, 17993), (2793, 6629), (2841, 6517)]