18504465

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 35942400

約数和(自身を除く): 17437935

約数列:

[1, 3, 5, 7, 15, 21, 29, 35, 59, 87, 103, 105, 145, 177, 203, 295, 309, 413, 435, 515, 609, 721, 885, 1015, 1239, 1545, 1711, 2065, 2163, 2987, 3045, 3605, 5133, 6077, 6195, 8555, 8961, 10815, 11977, 14935, 18231, 20909, 25665, 30385, 35931, 42539, 44805, 59885, 62727, 91155, 104545, 127617, 176233, 179655, 212695, 313635, 528699, 638085, 881165, 1233631, 2643495, 3700893, 6168155, 18504465]

約数ペア:

[(1, 18504465), (3, 6168155), (5, 3700893), (7, 2643495), (15, 1233631), (21, 881165), (29, 638085), (35, 528699), (59, 313635), (87, 212695), (103, 179655), (105, 176233), (145, 127617), (177, 104545), (203, 91155), (295, 62727), (309, 59885), (413, 44805), (435, 42539), (515, 35931), (609, 30385), (721, 25665), (885, 20909), (1015, 18231), (1239, 14935), (1545, 11977), (1711, 10815), (2065, 8961), (2163, 8555), (2987, 6195), (3045, 6077), (3605, 5133)]