18879819

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16963}}^1$

素因数の和:17026

約数の個数: 16

約数和(自身を含む): 29313792

約数和(自身を除く): 10433973

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 16963, 50889, 118741, 356223, 899039, 2697117, 6293273, 18879819]

約数ペア:

[(1, 18879819), (3, 6293273), (7, 2697117), (21, 899039), (53, 356223), (159, 118741), (371, 50889), (1113, 16963)]