19519773

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{563}}^1$

素因数の和:713

約数の個数: 32

約数和(自身を含む): 32342016

約数和(自身を除く): 12822243

約数列:

[1, 3, 7, 13, 21, 39, 91, 127, 273, 381, 563, 889, 1651, 1689, 2667, 3941, 4953, 7319, 11557, 11823, 21957, 34671, 51233, 71501, 153699, 214503, 500507, 929513, 1501521, 2788539, 6506591, 19519773]

約数ペア:

[(1, 19519773), (3, 6506591), (7, 2788539), (13, 1501521), (21, 929513), (39, 500507), (91, 214503), (127, 153699), (273, 71501), (381, 51233), (563, 34671), (889, 21957), (1651, 11823), (1689, 11557), (2667, 7319), (3941, 4953)]