19967654

素因数分解:

$2^1\times 7^1\times {\mathrm{1153}}^1\times {\mathrm{1237}}^1$

素因数の和:2399

約数の個数: 16

約数和(自身を含む): 34287648

約数和(自身を除く): 14319994

約数列:

[1, 2, 7, 14, 1153, 1237, 2306, 2474, 8071, 8659, 16142, 17318, 1426261, 2852522, 9983827, 19967654]

約数ペア:

[(1, 19967654), (2, 9983827), (7, 2852522), (14, 1426261), (1153, 17318), (1237, 16142), (2306, 8659), (2474, 8071)]