18177867

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{257}}^1\times {\mathrm{271}}^1$

素因数の和:563

約数の個数: 24

約数和(自身を含む): 27368640

約数和(自身を除く): 9190773

約数列:

[1, 3, 9, 29, 87, 257, 261, 271, 771, 813, 2313, 2439, 7453, 7859, 22359, 23577, 67077, 69647, 70731, 208941, 626823, 2019763, 6059289, 18177867]

約数ペア:

[(1, 18177867), (3, 6059289), (9, 2019763), (29, 626823), (87, 208941), (257, 70731), (261, 69647), (271, 67077), (771, 23577), (813, 22359), (2313, 7859), (2439, 7453)]