18907694

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{8171}}^1$

素因数の和:8275

約数の個数: 16

約数和(自身を含む): 30890160

約数和(自身を除く): 11982466

約数列:

[1, 2, 13, 26, 89, 178, 1157, 2314, 8171, 16342, 106223, 212446, 727219, 1454438, 9453847, 18907694]

約数ペア:

[(1, 18907694), (2, 9453847), (13, 1454438), (26, 727219), (89, 212446), (178, 106223), (1157, 16342), (2314, 8171)]