19297090

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{27179}}^1$

素因数の和:27257

約数の個数: 16

約数和(自身を含む): 35225280

約数和(自身を除く): 15928190

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 27179, 54358, 135895, 271790, 1929709, 3859418, 9648545, 19297090]

約数ペア:

[(1, 19297090), (2, 9648545), (5, 3859418), (10, 1929709), (71, 271790), (142, 135895), (355, 54358), (710, 27179)]