18838659

素因数分解:

$3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{2141}}^1$

素因数の和:2570

約数の個数: 16

約数和(自身を含む): 28788480

約数和(自身を除く): 9949821

約数列:

[1, 3, 7, 21, 419, 1257, 2141, 2933, 6423, 8799, 14987, 44961, 897079, 2691237, 6279553, 18838659]

約数ペア:

[(1, 18838659), (3, 6279553), (7, 2691237), (21, 897079), (419, 44961), (1257, 14987), (2141, 8799), (2933, 6423)]