19613642

素因数分解:

$2^1\times {\mathrm{89}}^1\times {\mathrm{251}}^1\times {\mathrm{439}}^1$

素因数の和:781

約数の個数: 16

約数和(自身を含む): 29937600

約数和(自身を除く): 10323958

約数列:

[1, 2, 89, 178, 251, 439, 502, 878, 22339, 39071, 44678, 78142, 110189, 220378, 9806821, 19613642]

約数ペア:

[(1, 19613642), (2, 9806821), (89, 220378), (178, 110189), (251, 78142), (439, 44678), (502, 39071), (878, 22339)]