19915215948

素因数分解:

$2^2\times 3^2\times {\mathrm{127}}^1\times {\mathrm{4355909}}^1$

素因数の和:4356046

約数の個数: 36

約数和(自身を含む): 50737639680

約数和(自身を除く): 30822423732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 127, 254, 381, 508, 762, 1143, 1524, 2286, 4572, 4355909, 8711818, 13067727, 17423636, 26135454, 39203181, 52270908, 78406362, 156812724, 553200443, 1106400886, 1659601329, 2212801772, 3319202658, 4978803987, 6638405316, 9957607974, 19915215948]

約数ペア:

[(1, 19915215948), (2, 9957607974), (3, 6638405316), (4, 4978803987), (6, 3319202658), (9, 2212801772), (12, 1659601329), (18, 1106400886), (36, 553200443), (127, 156812724), (254, 78406362), (381, 52270908), (508, 39203181), (762, 26135454), (1143, 17423636), (1524, 13067727), (2286, 8711818), (4572, 4355909)]