19854156

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{3329}}^1$

素因数の和:3414

約数の個数: 48

約数和(自身を含む): 53706240

約数和(自身を除く): 33852084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 71, 84, 142, 213, 284, 426, 497, 852, 994, 1491, 1988, 2982, 3329, 5964, 6658, 9987, 13316, 19974, 23303, 39948, 46606, 69909, 93212, 139818, 236359, 279636, 472718, 709077, 945436, 1418154, 1654513, 2836308, 3309026, 4963539, 6618052, 9927078, 19854156]

約数ペア:

[(1, 19854156), (2, 9927078), (3, 6618052), (4, 4963539), (6, 3309026), (7, 2836308), (12, 1654513), (14, 1418154), (21, 945436), (28, 709077), (42, 472718), (71, 279636), (84, 236359), (142, 139818), (213, 93212), (284, 69909), (426, 46606), (497, 39948), (852, 23303), (994, 19974), (1491, 13316), (1988, 9987), (2982, 6658), (3329, 5964)]