19961730

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{221797}}^1$

素因数の和:221810

約数の個数: 24

約数和(自身を含む): 51900732

約数和(自身を除く): 31939002

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 221797, 443594, 665391, 1108985, 1330782, 1996173, 2217970, 3326955, 3992346, 6653910, 9980865, 19961730]

約数ペア:

[(1, 19961730), (2, 9980865), (3, 6653910), (5, 3992346), (6, 3326955), (9, 2217970), (10, 1996173), (15, 1330782), (18, 1108985), (30, 665391), (45, 443594), (90, 221797)]