19134128

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1373}}^1$

素因数の和:1461

約数の個数: 40

約数和(自身を含む): 40549488

約数和(自身を除く): 21415360

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 67, 104, 134, 208, 268, 536, 871, 1072, 1373, 1742, 2746, 3484, 5492, 6968, 10984, 13936, 17849, 21968, 35698, 71396, 91991, 142792, 183982, 285584, 367964, 735928, 1195883, 1471856, 2391766, 4783532, 9567064, 19134128]

約数ペア:

[(1, 19134128), (2, 9567064), (4, 4783532), (8, 2391766), (13, 1471856), (16, 1195883), (26, 735928), (52, 367964), (67, 285584), (104, 183982), (134, 142792), (208, 91991), (268, 71396), (536, 35698), (871, 21968), (1072, 17849), (1373, 13936), (1742, 10984), (2746, 6968), (3484, 5492)]