19995434

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{311}}^1$

素因数の和:422

約数の個数: 32

約数和(自身を含む): 33426432

約数和(自身を除く): 13430998

約数列:

[1, 2, 17, 31, 34, 61, 62, 122, 311, 527, 622, 1037, 1054, 1891, 2074, 3782, 5287, 9641, 10574, 18971, 19282, 32147, 37942, 64294, 163897, 322507, 327794, 588101, 645014, 1176202, 9997717, 19995434]

約数ペア:

[(1, 19995434), (2, 9997717), (17, 1176202), (31, 645014), (34, 588101), (61, 327794), (62, 322507), (122, 163897), (311, 64294), (527, 37942), (622, 32147), (1037, 19282), (1054, 18971), (1891, 10574), (2074, 9641), (3782, 5287)]