16720218

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{40387}}^1$

素因数の和:40418

約数の個数: 24

約数和(自身を含む): 37803168

約数和(自身を除く): 21082950

約数列:

[1, 2, 3, 6, 9, 18, 23, 46, 69, 138, 207, 414, 40387, 80774, 121161, 242322, 363483, 726966, 928901, 1857802, 2786703, 5573406, 8360109, 16720218]

約数ペア:

[(1, 16720218), (2, 8360109), (3, 5573406), (6, 2786703), (9, 1857802), (18, 928901), (23, 726966), (46, 363483), (69, 242322), (138, 121161), (207, 80774), (414, 40387)]