18996821005

素因数分解:

$5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{829}}^1\times {\mathrm{2011}}^1$

素因数の和:2941

約数の個数: 32

約数和(自身を含む): 23806949760

約数和(自身を除く): 4810128755

約数列:

[1, 5, 43, 53, 215, 265, 829, 2011, 2279, 4145, 10055, 11395, 35647, 43937, 86473, 106583, 178235, 219685, 432365, 532915, 1667119, 1889291, 4583069, 8335595, 9446455, 22915345, 71686117, 88357307, 358430585, 441786535, 3799364201, 18996821005]

約数ペア:

[(1, 18996821005), (5, 3799364201), (43, 441786535), (53, 358430585), (215, 88357307), (265, 71686117), (829, 22915345), (2011, 9446455), (2279, 8335595), (4145, 4583069), (10055, 1889291), (11395, 1667119), (35647, 532915), (43937, 432365), (86473, 219685), (106583, 178235)]