19646744

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{188911}}^1$

素因数の和:188930

約数の個数: 16

約数和(自身を含む): 39671520

約数和(自身を除く): 20024776

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 188911, 377822, 755644, 1511288, 2455843, 4911686, 9823372, 19646744]

約数ペア:

[(1, 19646744), (2, 9823372), (4, 4911686), (8, 2455843), (13, 1511288), (26, 755644), (52, 377822), (104, 188911)]