38928188

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{41}}^1$

素因数の和:139

約数の個数: 72

約数和(自身を含む): 81743760

約数和(自身を除く): 42815572

約数列:

[1, 2, 4, 13, 19, 26, 31, 38, 41, 52, 62, 76, 82, 124, 164, 247, 403, 494, 533, 589, 779, 806, 961, 988, 1066, 1178, 1271, 1558, 1612, 1922, 2132, 2356, 2542, 3116, 3844, 5084, 7657, 10127, 12493, 15314, 16523, 18259, 20254, 24149, 24986, 30628, 33046, 36518, 39401, 40508, 48298, 49972, 66092, 73036, 78802, 96596, 157604, 237367, 313937, 474734, 512213, 627874, 748619, 949468, 1024426, 1255748, 1497238, 2048852, 2994476, 9732047, 19464094, 38928188]

約数ペア:

[(1, 38928188), (2, 19464094), (4, 9732047), (13, 2994476), (19, 2048852), (26, 1497238), (31, 1255748), (38, 1024426), (41, 949468), (52, 748619), (62, 627874), (76, 512213), (82, 474734), (124, 313937), (164, 237367), (247, 157604), (403, 96596), (494, 78802), (533, 73036), (589, 66092), (779, 49972), (806, 48298), (961, 40508), (988, 39401), (1066, 36518), (1178, 33046), (1271, 30628), (1558, 24986), (1612, 24149), (1922, 20254), (2132, 18259), (2356, 16523), (2542, 15314), (3116, 12493), (3844, 10127), (5084, 7657)]