19111940

素因数分解:

$2^2\times 5^1\times {\mathrm{331}}^1\times {\mathrm{2887}}^1$

素因数の和:3227

約数の個数: 24

約数和(自身を含む): 40270272

約数和(自身を除く): 21158332

約数列:

[1, 2, 4, 5, 10, 20, 331, 662, 1324, 1655, 2887, 3310, 5774, 6620, 11548, 14435, 28870, 57740, 955597, 1911194, 3822388, 4777985, 9555970, 19111940]

約数ペア:

[(1, 19111940), (2, 9555970), (4, 4777985), (5, 3822388), (10, 1911194), (20, 955597), (331, 57740), (662, 28870), (1324, 14435), (1655, 11548), (2887, 6620), (3310, 5774)]