18178130

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{25603}}^1$

素因数の和:25681

約数の個数: 16

約数和(自身を含む): 33182784

約数和(自身を除く): 15004654

約数列:

[1, 2, 5, 10, 71, 142, 355, 710, 25603, 51206, 128015, 256030, 1817813, 3635626, 9089065, 18178130]

約数ペア:

[(1, 18178130), (2, 9089065), (5, 3635626), (10, 1817813), (71, 256030), (142, 128015), (355, 51206), (710, 25603)]