19352752

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1223}}^1$

素因数の和:1297

約数の個数: 40

約数和(自身を含む): 40068864

約数和(自身を除く): 20716112

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1223, 1978, 2446, 3956, 4892, 7912, 9784, 15824, 19568, 28129, 52589, 56258, 105178, 112516, 210356, 225032, 420712, 450064, 841424, 1209547, 2419094, 4838188, 9676376, 19352752]

約数ペア:

[(1, 19352752), (2, 9676376), (4, 4838188), (8, 2419094), (16, 1209547), (23, 841424), (43, 450064), (46, 420712), (86, 225032), (92, 210356), (172, 112516), (184, 105178), (344, 56258), (368, 52589), (688, 28129), (989, 19568), (1223, 15824), (1978, 9784), (2446, 7912), (3956, 4892)]