19870810779

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{127}}^1\times {\mathrm{4481}}^1$

素因数の和:4827

約数の個数: 32

約数和(自身を含む): 27206959104

約数和(自身を除く): 7336148325

約数列:

[1, 3, 103, 113, 127, 309, 339, 381, 4481, 11639, 13081, 13443, 14351, 34917, 39243, 43053, 461543, 506353, 569087, 1384629, 1478153, 1519059, 1707261, 4434459, 52154359, 58615961, 64306831, 156463077, 175847883, 192920493, 6623603593, 19870810779]

約数ペア:

[(1, 19870810779), (3, 6623603593), (103, 192920493), (113, 175847883), (127, 156463077), (309, 64306831), (339, 58615961), (381, 52154359), (4481, 4434459), (11639, 1707261), (13081, 1519059), (13443, 1478153), (14351, 1384629), (34917, 569087), (39243, 506353), (43053, 461543)]