19992096003

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{977}}^1\times {\mathrm{16759}}^1$

素因数の和:17787

約数の個数: 32

約数和(自身を含む): 29897694720

約数和(自身を除く): 9905598717

約数列:

[1, 3, 11, 33, 37, 111, 407, 977, 1221, 2931, 10747, 16759, 32241, 36149, 50277, 108447, 184349, 397639, 553047, 620083, 1192917, 1860249, 6820913, 16373543, 20462739, 49120629, 180108973, 540326919, 605821091, 1817463273, 6664032001, 19992096003]

約数ペア:

[(1, 19992096003), (3, 6664032001), (11, 1817463273), (33, 605821091), (37, 540326919), (111, 180108973), (407, 49120629), (977, 20462739), (1221, 16373543), (2931, 6820913), (10747, 1860249), (16759, 1192917), (32241, 620083), (36149, 553047), (50277, 397639), (108447, 184349)]