19987056

素因数分解:

$2^4\times 3^2\times {\mathrm{138799}}^1$

素因数の和:138813

約数の個数: 30

約数和(自身を含む): 55936400

約数和(自身を除く): 35949344

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 138799, 277598, 416397, 555196, 832794, 1110392, 1249191, 1665588, 2220784, 2498382, 3331176, 4996764, 6662352, 9993528, 19987056]

約数ペア:

[(1, 19987056), (2, 9993528), (3, 6662352), (4, 4996764), (6, 3331176), (8, 2498382), (9, 2220784), (12, 1665588), (16, 1249191), (18, 1110392), (24, 832794), (36, 555196), (48, 416397), (72, 277598), (144, 138799)]