19205159344

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1\times {\mathrm{11279}}^1$

素因数の和:11978

約数の個数: 80

約数和(自身を含む): 44445726720

約数和(自身を除く): 25240567376

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 56, 92, 112, 161, 184, 322, 368, 644, 661, 1288, 1322, 2576, 2644, 4627, 5288, 9254, 10576, 11279, 15203, 18508, 22558, 30406, 37016, 45116, 60812, 74032, 78953, 90232, 106421, 121624, 157906, 180464, 212842, 243248, 259417, 315812, 425684, 518834, 631624, 851368, 1037668, 1263248, 1702736, 1815919, 2075336, 3631838, 4150672, 7263676, 7455419, 14527352, 14910838, 29054704, 29821676, 52187933, 59643352, 104375866, 119286704, 171474637, 208751732, 342949274, 417503464, 685898548, 835006928, 1200322459, 1371797096, 2400644918, 2743594192, 4801289836, 9602579672, 19205159344]

約数ペア:

[(1, 19205159344), (2, 9602579672), (4, 4801289836), (7, 2743594192), (8, 2400644918), (14, 1371797096), (16, 1200322459), (23, 835006928), (28, 685898548), (46, 417503464), (56, 342949274), (92, 208751732), (112, 171474637), (161, 119286704), (184, 104375866), (322, 59643352), (368, 52187933), (644, 29821676), (661, 29054704), (1288, 14910838), (1322, 14527352), (2576, 7455419), (2644, 7263676), (4627, 4150672), (5288, 3631838), (9254, 2075336), (10576, 1815919), (11279, 1702736), (15203, 1263248), (18508, 1037668), (22558, 851368), (30406, 631624), (37016, 518834), (45116, 425684), (60812, 315812), (74032, 259417), (78953, 243248), (90232, 212842), (106421, 180464), (121624, 157906)]