18706465

素因数分解:

$5^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 16

約数和(自身を含む): 22947840

約数和(自身を除く): 4241375

約数列:

[1, 5, 89, 127, 331, 445, 635, 1655, 11303, 29459, 42037, 56515, 147295, 210185, 3741293, 18706465]

約数ペア:

[(1, 18706465), (5, 3741293), (89, 210185), (127, 147295), (331, 56515), (445, 42037), (635, 29459), (1655, 11303)]