18892030

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{21227}}^1$

素因数の和:21323

約数の個数: 16

約数和(自身を含む): 34389360

約数和(自身を除く): 15497330

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 21227, 42454, 106135, 212270, 1889203, 3778406, 9446015, 18892030]

約数ペア:

[(1, 18892030), (2, 9446015), (5, 3778406), (10, 1889203), (89, 212270), (178, 106135), (445, 42454), (890, 21227)]