18492518

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{11839}}^1$

素因数の和:11923

約数の個数: 16

約数和(自身を含む): 30689280

約数和(自身を除く): 12196762

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 11839, 23678, 130229, 260458, 840569, 1681138, 9246259, 18492518]

約数ペア:

[(1, 18492518), (2, 9246259), (11, 1681138), (22, 840569), (71, 260458), (142, 130229), (781, 23678), (1562, 11839)]