189812792

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{20507}}^1$

素因数の和:20615

約数の個数: 32

約数和(自身を含む): 387601200

約数和(自身を除く): 197788408

約数列:

[1, 2, 4, 8, 13, 26, 52, 89, 104, 178, 356, 712, 1157, 2314, 4628, 9256, 20507, 41014, 82028, 164056, 266591, 533182, 1066364, 1825123, 2132728, 3650246, 7300492, 14600984, 23726599, 47453198, 94906396, 189812792]

約数ペア:

[(1, 189812792), (2, 94906396), (4, 47453198), (8, 23726599), (13, 14600984), (26, 7300492), (52, 3650246), (89, 2132728), (104, 1825123), (178, 1066364), (356, 533182), (712, 266591), (1157, 164056), (2314, 82028), (4628, 41014), (9256, 20507)]