18345465

素因数分解:

$3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23981}}^1$

素因数の和:24009

約数の個数: 24

約数和(自身を含む): 33670728

約数和(自身を除く): 15325263

約数列:

[1, 3, 5, 9, 15, 17, 45, 51, 85, 153, 255, 765, 23981, 71943, 119905, 215829, 359715, 407677, 1079145, 1223031, 2038385, 3669093, 6115155, 18345465]

約数ペア:

[(1, 18345465), (3, 6115155), (5, 3669093), (9, 2038385), (15, 1223031), (17, 1079145), (45, 407677), (51, 359715), (85, 215829), (153, 119905), (255, 71943), (765, 23981)]