18639411

素因数分解:

$3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{16747}}^1$

素因数の和:16810

約数の個数: 16

約数和(自身を含む): 28940544

約数和(自身を除く): 10301133

約数列:

[1, 3, 7, 21, 53, 159, 371, 1113, 16747, 50241, 117229, 351687, 887591, 2662773, 6213137, 18639411]

約数ペア:

[(1, 18639411), (3, 6213137), (7, 2662773), (21, 887591), (53, 351687), (159, 117229), (371, 50241), (1113, 16747)]