17971946

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{1889}}^1$

素因数の和:2029

約数の個数: 16

約数和(自身を含む): 27760320

約数和(自身を除く): 9788374

約数列:

[1, 2, 67, 71, 134, 142, 1889, 3778, 4757, 9514, 126563, 134119, 253126, 268238, 8985973, 17971946]

約数ペア:

[(1, 17971946), (2, 8985973), (67, 268238), (71, 253126), (134, 134119), (142, 126563), (1889, 9514), (3778, 4757)]