19804386

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{471533}}^1$

素因数の和:471545

約数の個数: 16

約数和(自身を含む): 45267264

約数和(自身を除く): 25462878

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 471533, 943066, 1414599, 2829198, 3300731, 6601462, 9902193, 19804386]

約数ペア:

[(1, 19804386), (2, 9902193), (3, 6601462), (6, 3300731), (7, 2829198), (14, 1414599), (21, 943066), (42, 471533)]