19528155

素因数分解:

$3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 37601280

約数和(自身を除く): 18073125

約数列:

[1, 3, 5, 9, 15, 17, 27, 45, 51, 67, 85, 127, 135, 153, 201, 255, 335, 381, 459, 603, 635, 765, 1005, 1139, 1143, 1809, 1905, 2159, 2295, 3015, 3417, 3429, 5695, 5715, 6477, 8509, 9045, 10251, 10795, 17085, 17145, 19431, 25527, 30753, 32385, 42545, 51255, 58293, 76581, 97155, 127635, 144653, 153765, 229743, 291465, 382905, 433959, 723265, 1148715, 1301877, 2169795, 3905631, 6509385, 19528155]

約数ペア:

[(1, 19528155), (3, 6509385), (5, 3905631), (9, 2169795), (15, 1301877), (17, 1148715), (27, 723265), (45, 433959), (51, 382905), (67, 291465), (85, 229743), (127, 153765), (135, 144653), (153, 127635), (201, 97155), (255, 76581), (335, 58293), (381, 51255), (459, 42545), (603, 32385), (635, 30753), (765, 25527), (1005, 19431), (1139, 17145), (1143, 17085), (1809, 10795), (1905, 10251), (2159, 9045), (2295, 8509), (3015, 6477), (3417, 5715), (3429, 5695)]