19693778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{7079}}^1$

素因数の和:7201

約数の個数: 16

約数和(自身を含む): 32114880

約数和(自身を除く): 12421102

約数列:

[1, 2, 13, 26, 107, 214, 1391, 2782, 7079, 14158, 92027, 184054, 757453, 1514906, 9846889, 19693778]

約数ペア:

[(1, 19693778), (2, 9846889), (13, 1514906), (26, 757453), (107, 184054), (214, 92027), (1391, 14158), (2782, 7079)]