19792905

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{863}}^1$

素因数の和:1021

約数の個数: 32

約数和(自身を含む): 34836480

約数和(自身を除く): 15043575

約数列:

[1, 3, 5, 11, 15, 33, 55, 139, 165, 417, 695, 863, 1529, 2085, 2589, 4315, 4587, 7645, 9493, 12945, 22935, 28479, 47465, 119957, 142395, 359871, 599785, 1319527, 1799355, 3958581, 6597635, 19792905]

約数ペア:

[(1, 19792905), (3, 6597635), (5, 3958581), (11, 1799355), (15, 1319527), (33, 599785), (55, 359871), (139, 142395), (165, 119957), (417, 47465), (695, 28479), (863, 22935), (1529, 12945), (2085, 9493), (2589, 7645), (4315, 4587)]