18984555

素因数分解:

$3^2\times 5^1\times {\mathrm{31}}^2\times {\mathrm{439}}^1$

素因数の和:512

約数の個数: 36

約数和(自身を含む): 34079760

約数和(自身を除く): 15095205

約数列:

[1, 3, 5, 9, 15, 31, 45, 93, 155, 279, 439, 465, 961, 1317, 1395, 2195, 2883, 3951, 4805, 6585, 8649, 13609, 14415, 19755, 40827, 43245, 68045, 122481, 204135, 421879, 612405, 1265637, 2109395, 3796911, 6328185, 18984555]

約数ペア:

[(1, 18984555), (3, 6328185), (5, 3796911), (9, 2109395), (15, 1265637), (31, 612405), (45, 421879), (93, 204135), (155, 122481), (279, 68045), (439, 43245), (465, 40827), (961, 19755), (1317, 14415), (1395, 13609), (2195, 8649), (2883, 6585), (3951, 4805)]