18648063

素因数分解:

$3^5\times 7^1\times {\mathrm{19}}^1\times {\mathrm{577}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 33662720

約数和(自身を除く): 15014657

約数列:

[1, 3, 7, 9, 19, 21, 27, 57, 63, 81, 133, 171, 189, 243, 399, 513, 567, 577, 1197, 1539, 1701, 1731, 3591, 4039, 4617, 5193, 10773, 10963, 12117, 15579, 32319, 32889, 36351, 46737, 76741, 98667, 109053, 140211, 230223, 296001, 327159, 690669, 888003, 981477, 2072007, 2664009, 6216021, 18648063]

約数ペア:

[(1, 18648063), (3, 6216021), (7, 2664009), (9, 2072007), (19, 981477), (21, 888003), (27, 690669), (57, 327159), (63, 296001), (81, 230223), (133, 140211), (171, 109053), (189, 98667), (243, 76741), (399, 46737), (513, 36351), (567, 32889), (577, 32319), (1197, 15579), (1539, 12117), (1701, 10963), (1731, 10773), (3591, 5193), (4039, 4617)]