17921488

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{86161}}^1$

素因数の和:86182

約数の個数: 20

約数和(自身を含む): 37394308

約数和(自身を除く): 19472820

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 86161, 172322, 344644, 689288, 1120093, 1378576, 2240186, 4480372, 8960744, 17921488]

約数ペア:

[(1, 17921488), (2, 8960744), (4, 4480372), (8, 2240186), (13, 1378576), (16, 1120093), (26, 689288), (52, 344644), (104, 172322), (208, 86161)]