18420078

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{419}}^1\times {\mathrm{431}}^1$

素因数の和:872

約数の個数: 32

約数和(自身を含む): 39191040

約数和(自身を除く): 20770962

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 419, 431, 838, 862, 1257, 1293, 2514, 2586, 7123, 7327, 14246, 14654, 21369, 21981, 42738, 43962, 180589, 361178, 541767, 1083534, 3070013, 6140026, 9210039, 18420078]

約数ペア:

[(1, 18420078), (2, 9210039), (3, 6140026), (6, 3070013), (17, 1083534), (34, 541767), (51, 361178), (102, 180589), (419, 43962), (431, 42738), (838, 21981), (862, 21369), (1257, 14654), (1293, 14246), (2514, 7327), (2586, 7123)]