18993686

素因数分解:

$2^1\times {\mathrm{109}}^1\times {\mathrm{151}}^1\times {\mathrm{577}}^1$

素因数の和:839

約数の個数: 16

約数和(自身を含む): 28992480

約数和(自身を除く): 9998794

約数列:

[1, 2, 109, 151, 218, 302, 577, 1154, 16459, 32918, 62893, 87127, 125786, 174254, 9496843, 18993686]

約数ペア:

[(1, 18993686), (2, 9496843), (109, 174254), (151, 125786), (218, 87127), (302, 62893), (577, 32918), (1154, 16459)]