18812368

素因数分解:

$2^4\times {\mathrm{157}}^1\times {\mathrm{7489}}^1$

素因数の和:7654

約数の個数: 20

約数和(自身を含む): 36686020

約数和(自身を除く): 17873652

約数列:

[1, 2, 4, 8, 16, 157, 314, 628, 1256, 2512, 7489, 14978, 29956, 59912, 119824, 1175773, 2351546, 4703092, 9406184, 18812368]

約数ペア:

[(1, 18812368), (2, 9406184), (4, 4703092), (8, 2351546), (16, 1175773), (157, 119824), (314, 59912), (628, 29956), (1256, 14978), (2512, 7489)]