19790043

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{1021}}^1$

素因数の和:1115

約数の個数: 32

約数和(自身を含む): 32965632

約数和(自身を除く): 13175589

約数列:

[1, 3, 7, 13, 21, 39, 71, 91, 213, 273, 497, 923, 1021, 1491, 2769, 3063, 6461, 7147, 13273, 19383, 21441, 39819, 72491, 92911, 217473, 278733, 507437, 942383, 1522311, 2827149, 6596681, 19790043]

約数ペア:

[(1, 19790043), (3, 6596681), (7, 2827149), (13, 1522311), (21, 942383), (39, 507437), (71, 278733), (91, 217473), (213, 92911), (273, 72491), (497, 39819), (923, 21441), (1021, 19383), (1491, 13273), (2769, 7147), (3063, 6461)]