18798860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{14029}}^1$

素因数の和:14105

約数の個数: 24

約数和(自身を含む): 40069680

約数和(自身を除く): 21270820

約数列:

[1, 2, 4, 5, 10, 20, 67, 134, 268, 335, 670, 1340, 14029, 28058, 56116, 70145, 140290, 280580, 939943, 1879886, 3759772, 4699715, 9399430, 18798860]

約数ペア:

[(1, 18798860), (2, 9399430), (4, 4699715), (5, 3759772), (10, 1879886), (20, 939943), (67, 280580), (134, 140290), (268, 70145), (335, 56116), (670, 28058), (1340, 14029)]