19353584

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{13591}}^1$

素因数の和:13688

約数の個数: 20

約数和(自身を含む): 37921680

約数和(自身を除く): 18568096

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 13591, 27182, 54364, 108728, 217456, 1209599, 2419198, 4838396, 9676792, 19353584]

約数ペア:

[(1, 19353584), (2, 9676792), (4, 4838396), (8, 2419198), (16, 1209599), (89, 217456), (178, 108728), (356, 54364), (712, 27182), (1424, 13591)]