17981406

素因数分解:

$2^1\times 3^3\times {\mathrm{332989}}^1$

素因数の和:333000

約数の個数: 16

約数和(自身を含む): 39958800

約数和(自身を除く): 21977394

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 332989, 665978, 998967, 1997934, 2996901, 5993802, 8990703, 17981406]

約数ペア:

[(1, 17981406), (2, 8990703), (3, 5993802), (6, 2996901), (9, 1997934), (18, 998967), (27, 665978), (54, 332989)]