18895846

素因数分解:

$2^1\times {\mathrm{197}}^1\times {\mathrm{199}}^1\times {\mathrm{241}}^1$

素因数の和:639

約数の個数: 16

約数和(自身を含む): 28749600

約数和(自身を除く): 9853754

約数列:

[1, 2, 197, 199, 241, 394, 398, 482, 39203, 47477, 47959, 78406, 94954, 95918, 9447923, 18895846]

約数ペア:

[(1, 18895846), (2, 9447923), (197, 95918), (199, 94954), (241, 78406), (394, 47959), (398, 47477), (482, 39203)]