19457646

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{619}}^1$

素因数の和:681

約数の個数: 48

約数和(自身を含む): 43568640

約数和(自身を除く): 24110994

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 169, 186, 338, 403, 507, 619, 806, 1014, 1209, 1238, 1857, 2418, 3714, 5239, 8047, 10478, 15717, 16094, 19189, 24141, 31434, 38378, 48282, 57567, 104611, 115134, 209222, 249457, 313833, 498914, 627666, 748371, 1496742, 3242941, 6485882, 9728823, 19457646]

約数ペア:

[(1, 19457646), (2, 9728823), (3, 6485882), (6, 3242941), (13, 1496742), (26, 748371), (31, 627666), (39, 498914), (62, 313833), (78, 249457), (93, 209222), (169, 115134), (186, 104611), (338, 57567), (403, 48282), (507, 38378), (619, 31434), (806, 24141), (1014, 19189), (1209, 16094), (1238, 15717), (1857, 10478), (2418, 8047), (3714, 5239)]