18668897136

素因数分解:

$2^4\times 3^2\times {\mathrm{521}}^1\times {\mathrm{248839}}^1$

素因数の和:249374

約数の個数: 60

約数和(自身を含む): 52347475440

約数和(自身を除く): 33678578304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 521, 1042, 1563, 2084, 3126, 4168, 4689, 6252, 8336, 9378, 12504, 18756, 25008, 37512, 75024, 248839, 497678, 746517, 995356, 1493034, 1990712, 2239551, 2986068, 3981424, 4479102, 5972136, 8958204, 11944272, 17916408, 35832816, 129645119, 259290238, 388935357, 518580476, 777870714, 1037160952, 1166806071, 1555741428, 2074321904, 2333612142, 3111482856, 4667224284, 6222965712, 9334448568, 18668897136]

約数ペア:

[(1, 18668897136), (2, 9334448568), (3, 6222965712), (4, 4667224284), (6, 3111482856), (8, 2333612142), (9, 2074321904), (12, 1555741428), (16, 1166806071), (18, 1037160952), (24, 777870714), (36, 518580476), (48, 388935357), (72, 259290238), (144, 129645119), (521, 35832816), (1042, 17916408), (1563, 11944272), (2084, 8958204), (3126, 5972136), (4168, 4479102), (4689, 3981424), (6252, 2986068), (8336, 2239551), (9378, 1990712), (12504, 1493034), (18756, 995356), (25008, 746517), (37512, 497678), (75024, 248839)]