19810236

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{269}}^1$

素因数の和:331

約数の個数: 72

約数和(自身を含む): 51846480

約数和(自身を除く): 32036244

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 269, 323, 361, 538, 646, 722, 807, 969, 1076, 1083, 1292, 1444, 1614, 1938, 2166, 3228, 3876, 4332, 4573, 5111, 6137, 9146, 10222, 12274, 13719, 15333, 18292, 18411, 20444, 24548, 27438, 30666, 36822, 54876, 61332, 73644, 86887, 97109, 173774, 194218, 260661, 291327, 347548, 388436, 521322, 582654, 1042644, 1165308, 1650853, 3301706, 4952559, 6603412, 9905118, 19810236]

約数ペア:

[(1, 19810236), (2, 9905118), (3, 6603412), (4, 4952559), (6, 3301706), (12, 1650853), (17, 1165308), (19, 1042644), (34, 582654), (38, 521322), (51, 388436), (57, 347548), (68, 291327), (76, 260661), (102, 194218), (114, 173774), (204, 97109), (228, 86887), (269, 73644), (323, 61332), (361, 54876), (538, 36822), (646, 30666), (722, 27438), (807, 24548), (969, 20444), (1076, 18411), (1083, 18292), (1292, 15333), (1444, 13719), (1614, 12274), (1938, 10222), (2166, 9146), (3228, 6137), (3876, 5111), (4332, 4573)]