18261658802

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{43997}}^1$

素因数の和:44186

約数の個数: 32

約数和(自身を含む): 28890846720

約数和(自身を除く): 10629187918

約数列:

[1, 2, 37, 71, 74, 79, 142, 158, 2627, 2923, 5254, 5609, 5846, 11218, 43997, 87994, 207533, 415066, 1627889, 3123787, 3255778, 3475763, 6247574, 6951526, 115580119, 128603231, 231160238, 246779173, 257206462, 493558346, 9130829401, 18261658802]

約数ペア:

[(1, 18261658802), (2, 9130829401), (37, 493558346), (71, 257206462), (74, 246779173), (79, 231160238), (142, 128603231), (158, 115580119), (2627, 6951526), (2923, 6247574), (5254, 3475763), (5609, 3255778), (5846, 3123787), (11218, 1627889), (43997, 415066), (87994, 207533)]