18020718

素因数分解:

$2^1\times 3^4\times {\mathrm{173}}^1\times {\mathrm{643}}^1$

素因数の和:830

約数の個数: 40

約数和(自身を含む): 40676328

約数和(自身を除く): 22655610

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 173, 346, 519, 643, 1038, 1286, 1557, 1929, 3114, 3858, 4671, 5787, 9342, 11574, 14013, 17361, 28026, 34722, 52083, 104166, 111239, 222478, 333717, 667434, 1001151, 2002302, 3003453, 6006906, 9010359, 18020718]

約数ペア:

[(1, 18020718), (2, 9010359), (3, 6006906), (6, 3003453), (9, 2002302), (18, 1001151), (27, 667434), (54, 333717), (81, 222478), (162, 111239), (173, 104166), (346, 52083), (519, 34722), (643, 28026), (1038, 17361), (1286, 14013), (1557, 11574), (1929, 9342), (3114, 5787), (3858, 4671)]