19970045

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{6781}}^1$

素因数の和:6836

約数の個数: 16

約数和(自身を含む): 26042880

約数和(自身を除く): 6072835

約数列:

[1, 5, 19, 31, 95, 155, 589, 2945, 6781, 33905, 128839, 210211, 644195, 1051055, 3994009, 19970045]

約数ペア:

[(1, 19970045), (5, 3994009), (19, 1051055), (31, 644195), (95, 210211), (155, 128839), (589, 33905), (2945, 6781)]