19403937

素因数分解:

$3^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{4597}}^1$

素因数の和:4677

約数の個数: 24

約数和(自身を含む): 32517056

約数和(自身を除く): 13113119

約数列:

[1, 3, 7, 9, 21, 63, 67, 201, 469, 603, 1407, 4221, 4597, 13791, 32179, 41373, 96537, 289611, 307999, 923997, 2155993, 2771991, 6467979, 19403937]

約数ペア:

[(1, 19403937), (3, 6467979), (7, 2771991), (9, 2155993), (21, 923997), (63, 307999), (67, 289611), (201, 96537), (469, 41373), (603, 32179), (1407, 13791), (4221, 4597)]