19452004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{1097}}^1$

素因数の和:1156

約数の個数: 48

約数和(自身を含む): 41319936

約数和(自身を除く): 21867932

約数列:

[1, 2, 4, 11, 13, 22, 26, 31, 44, 52, 62, 124, 143, 286, 341, 403, 572, 682, 806, 1097, 1364, 1612, 2194, 4388, 4433, 8866, 12067, 14261, 17732, 24134, 28522, 34007, 48268, 57044, 68014, 136028, 156871, 313742, 374077, 442091, 627484, 748154, 884182, 1496308, 1768364, 4863001, 9726002, 19452004]

約数ペア:

[(1, 19452004), (2, 9726002), (4, 4863001), (11, 1768364), (13, 1496308), (22, 884182), (26, 748154), (31, 627484), (44, 442091), (52, 374077), (62, 313742), (124, 156871), (143, 136028), (286, 68014), (341, 57044), (403, 48268), (572, 34007), (682, 28522), (806, 24134), (1097, 17732), (1364, 14261), (1612, 12067), (2194, 8866), (4388, 4433)]