19537994

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{1291}}^1$

素因数の和:1370

約数の個数: 32

約数和(自身を含む): 35721216

約数和(自身を除く): 16183222

約数列:

[1, 2, 7, 14, 23, 46, 47, 94, 161, 322, 329, 658, 1081, 1291, 2162, 2582, 7567, 9037, 15134, 18074, 29693, 59386, 60677, 121354, 207851, 415702, 424739, 849478, 1395571, 2791142, 9768997, 19537994]

約数ペア:

[(1, 19537994), (2, 9768997), (7, 2791142), (14, 1395571), (23, 849478), (46, 424739), (47, 415702), (94, 207851), (161, 121354), (322, 60677), (329, 59386), (658, 29693), (1081, 18074), (1291, 15134), (2162, 9037), (2582, 7567)]