18663814

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37781}}^1$

素因数の和:37815

約数の個数: 16

約数和(自身を含む): 31736880

約数和(自身を除く): 13073066

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 37781, 75562, 491153, 717839, 982306, 1435678, 9331907, 18663814]

約数ペア:

[(1, 18663814), (2, 9331907), (13, 1435678), (19, 982306), (26, 717839), (38, 491153), (247, 75562), (494, 37781)]