19186890

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{639563}}^1$

素因数の和:639573

約数の個数: 16

約数和(自身を含む): 46048608

約数和(自身を除く): 26861718

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 639563, 1279126, 1918689, 3197815, 3837378, 6395630, 9593445, 19186890]

約数ペア:

[(1, 19186890), (2, 9593445), (3, 6395630), (5, 3837378), (6, 3197815), (10, 1918689), (15, 1279126), (30, 639563)]