18916730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{270239}}^1$

素因数の和:270253

約数の個数: 16

約数和(自身を含む): 38914560

約数和(自身を除く): 19997830

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 270239, 540478, 1351195, 1891673, 2702390, 3783346, 9458365, 18916730]

約数ペア:

[(1, 18916730), (2, 9458365), (5, 3783346), (7, 2702390), (10, 1891673), (14, 1351195), (35, 540478), (70, 270239)]