18849940

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{55441}}^1$

素因数の和:55467

約数の個数: 24

約数和(自身を含む): 41914152

約数和(自身を除く): 23064212

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 55441, 110882, 221764, 277205, 554410, 942497, 1108820, 1884994, 3769988, 4712485, 9424970, 18849940]

約数ペア:

[(1, 18849940), (2, 9424970), (4, 4712485), (5, 3769988), (10, 1884994), (17, 1108820), (20, 942497), (34, 554410), (68, 277205), (85, 221764), (170, 110882), (340, 55441)]