17818060

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{68531}}^1$

素因数の和:68553

約数の個数: 24

約数和(自身を含む): 40296816

約数和(自身を除く): 22478756

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 68531, 137062, 274124, 342655, 685310, 890903, 1370620, 1781806, 3563612, 4454515, 8909030, 17818060]

約数ペア:

[(1, 17818060), (2, 8909030), (4, 4454515), (5, 3563612), (10, 1781806), (13, 1370620), (20, 890903), (26, 685310), (52, 342655), (65, 274124), (130, 137062), (260, 68531)]