19163157

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{73}}^1\times {\mathrm{127}}^1$

素因数の和:269

約数の個数: 32

約数和(自身を含む): 28643328

約数和(自身を除く): 9480171

約数列:

[1, 3, 13, 39, 53, 73, 127, 159, 219, 381, 689, 949, 1651, 2067, 2847, 3869, 4953, 6731, 9271, 11607, 20193, 27813, 50297, 87503, 120523, 150891, 262509, 361569, 491363, 1474089, 6387719, 19163157]

約数ペア:

[(1, 19163157), (3, 6387719), (13, 1474089), (39, 491363), (53, 361569), (73, 262509), (127, 150891), (159, 120523), (219, 87503), (381, 50297), (689, 27813), (949, 20193), (1651, 11607), (2067, 9271), (2847, 6731), (3869, 4953)]