18804958845

素因数分解:

$3^1\times 5^1\times {\mathrm{113}}^1\times {\mathrm{431}}^1\times {\mathrm{25741}}^1$

素因数の和:26293

約数の個数: 32

約数和(自身を含む): 30425808384

約数和(自身を除く): 11620849539

約数列:

[1, 3, 5, 15, 113, 339, 431, 565, 1293, 1695, 2155, 6465, 25741, 48703, 77223, 128705, 146109, 243515, 386115, 730545, 2908733, 8726199, 11094371, 14543665, 33283113, 43630995, 55471855, 166415565, 1253663923, 3760991769, 6268319615, 18804958845]

約数ペア:

[(1, 18804958845), (3, 6268319615), (5, 3760991769), (15, 1253663923), (113, 166415565), (339, 55471855), (431, 43630995), (565, 33283113), (1293, 14543665), (1695, 11094371), (2155, 8726199), (6465, 2908733), (25741, 730545), (48703, 386115), (77223, 243515), (128705, 146109)]