18616208

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{89501}}^1$

素因数の和:89522

約数の個数: 20

約数和(自身を含む): 38843868

約数和(自身を除く): 20227660

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 89501, 179002, 358004, 716008, 1163513, 1432016, 2327026, 4654052, 9308104, 18616208]

約数ペア:

[(1, 18616208), (2, 9308104), (4, 4654052), (8, 2327026), (13, 1432016), (16, 1163513), (26, 716008), (52, 358004), (104, 179002), (208, 89501)]