18816008

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{4463}}^1$

素因数の和:4517

約数の個数: 32

約数和(自身を含む): 38568960

約数和(自身を除く): 19752952

約数列:

[1, 2, 4, 8, 17, 31, 34, 62, 68, 124, 136, 248, 527, 1054, 2108, 4216, 4463, 8926, 17852, 35704, 75871, 138353, 151742, 276706, 303484, 553412, 606968, 1106824, 2352001, 4704002, 9408004, 18816008]

約数ペア:

[(1, 18816008), (2, 9408004), (4, 4704002), (8, 2352001), (17, 1106824), (31, 606968), (34, 553412), (62, 303484), (68, 276706), (124, 151742), (136, 138353), (248, 75871), (527, 35704), (1054, 17852), (2108, 8926), (4216, 4463)]