2178115910

素因数分解:

$2^1\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{111641}}^1$

素因数の和:113599

約数の個数: 16

約数和(自身を含む): 3922653312

約数和(自身を除く): 1744537402

約数列:

[1, 2, 5, 10, 1951, 3902, 9755, 19510, 111641, 223282, 558205, 1116410, 217811591, 435623182, 1089057955, 2178115910]

約数ペア:

[(1, 2178115910), (2, 1089057955), (5, 435623182), (10, 217811591), (1951, 1116410), (3902, 558205), (9755, 223282), (19510, 111641)]