18857367

素因数分解:

$3^4\times {\mathrm{19}}^1\times {\mathrm{12253}}^1$

素因数の和:12284

約数の個数: 20

約数和(自身を含む): 29654680

約数和(自身を除く): 10797313

約数列:

[1, 3, 9, 19, 27, 57, 81, 171, 513, 1539, 12253, 36759, 110277, 232807, 330831, 698421, 992493, 2095263, 6285789, 18857367]

約数ペア:

[(1, 18857367), (3, 6285789), (9, 2095263), (19, 992493), (27, 698421), (57, 330831), (81, 232807), (171, 110277), (513, 36759), (1539, 12253)]