19851940

素因数分解:

$2^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{11959}}^1$

素因数の和:12051

約数の個数: 24

約数和(自身を含む): 42194880

約数和(自身を除く): 22342940

約数列:

[1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660, 11959, 23918, 47836, 59795, 119590, 239180, 992597, 1985194, 3970388, 4962985, 9925970, 19851940]

約数ペア:

[(1, 19851940), (2, 9925970), (4, 4962985), (5, 3970388), (10, 1985194), (20, 992597), (83, 239180), (166, 119590), (332, 59795), (415, 47836), (830, 23918), (1660, 11959)]