17938115

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{127}}^1$

素因数の和:239

約数の個数: 32

約数和(自身を含む): 24385536

約数和(自身を除く): 6447421

約数列:

[1, 5, 13, 41, 53, 65, 127, 205, 265, 533, 635, 689, 1651, 2173, 2665, 3445, 5207, 6731, 8255, 10865, 26035, 28249, 33655, 67691, 87503, 141245, 275971, 338455, 437515, 1379855, 3587623, 17938115]

約数ペア:

[(1, 17938115), (5, 3587623), (13, 1379855), (41, 437515), (53, 338455), (65, 275971), (127, 141245), (205, 87503), (265, 67691), (533, 33655), (635, 28249), (689, 26035), (1651, 10865), (2173, 8255), (2665, 6731), (3445, 5207)]