19911015938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{773}}^1\times {\mathrm{22091}}^1$

素因数の和:22930

約数の個数: 32

約数和(自身を含む): 33240860352

約数和(自身を除く): 13329844414

約数列:

[1, 2, 11, 22, 53, 106, 583, 773, 1166, 1546, 8503, 17006, 22091, 40969, 44182, 81938, 243001, 450659, 486002, 901318, 1170823, 2341646, 12879053, 17076343, 25758106, 34152686, 187839773, 375679546, 905046179, 1810092358, 9955507969, 19911015938]

約数ペア:

[(1, 19911015938), (2, 9955507969), (11, 1810092358), (22, 905046179), (53, 375679546), (106, 187839773), (583, 34152686), (773, 25758106), (1166, 17076343), (1546, 12879053), (8503, 2341646), (17006, 1170823), (22091, 901318), (40969, 486002), (44182, 450659), (81938, 243001)]