19890308

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{149}}^1\times {\mathrm{1451}}^1$

素因数の和:1627

約数の個数: 24

約数和(自身を含む): 36590400

約数和(自身を除く): 16700092

約数列:

[1, 2, 4, 23, 46, 92, 149, 298, 596, 1451, 2902, 3427, 5804, 6854, 13708, 33373, 66746, 133492, 216199, 432398, 864796, 4972577, 9945154, 19890308]

約数ペア:

[(1, 19890308), (2, 9945154), (4, 4972577), (23, 864796), (46, 432398), (92, 216199), (149, 133492), (298, 66746), (596, 33373), (1451, 13708), (2902, 6854), (3427, 5804)]