19672551

素因数分解:

$3^5\times {\mathrm{73}}^1\times {\mathrm{1109}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 29898960

約数和(自身を除く): 10226409

約数列:

[1, 3, 9, 27, 73, 81, 219, 243, 657, 1109, 1971, 3327, 5913, 9981, 17739, 29943, 80957, 89829, 242871, 269487, 728613, 2185839, 6557517, 19672551]

約数ペア:

[(1, 19672551), (3, 6557517), (9, 2185839), (27, 728613), (73, 269487), (81, 242871), (219, 89829), (243, 80957), (657, 29943), (1109, 17739), (1971, 9981), (3327, 5913)]