18393813

素因数分解:

$3^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{5227}}^1$

素因数の和:5273

約数の個数: 24

約数和(自身を含む): 29360448

約数和(自身を除く): 10966635

約数列:

[1, 3, 9, 17, 23, 51, 69, 153, 207, 391, 1173, 3519, 5227, 15681, 47043, 88859, 120221, 266577, 360663, 799731, 1081989, 2043757, 6131271, 18393813]

約数ペア:

[(1, 18393813), (3, 6131271), (9, 2043757), (17, 1081989), (23, 799731), (51, 360663), (69, 266577), (153, 120221), (207, 88859), (391, 47043), (1173, 15681), (3519, 5227)]