19721970

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{219133}}^1$

素因数の和:219146

約数の個数: 24

約数和(自身を含む): 51277356

約数和(自身を除く): 31555386

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 219133, 438266, 657399, 1095665, 1314798, 1972197, 2191330, 3286995, 3944394, 6573990, 9860985, 19721970]

約数ペア:

[(1, 19721970), (2, 9860985), (3, 6573990), (5, 3944394), (6, 3286995), (9, 2191330), (10, 1972197), (15, 1314798), (18, 1095665), (30, 657399), (45, 438266), (90, 219133)]