18274858

素因数分解:

$2^1\times 7^1\times {\mathrm{653}}^1\times {\mathrm{1999}}^1$

素因数の和:2661

約数の個数: 16

約数和(自身を含む): 31392000

約数和(自身を除く): 13117142

約数列:

[1, 2, 7, 14, 653, 1306, 1999, 3998, 4571, 9142, 13993, 27986, 1305347, 2610694, 9137429, 18274858]

約数ペア:

[(1, 18274858), (2, 9137429), (7, 2610694), (14, 1305347), (653, 27986), (1306, 13993), (1999, 9142), (3998, 4571)]