19615672705

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{65029}}^1$

素因数の和:65161

約数の個数: 32

約数和(自身を含む): 25545864960

約数和(自身を除く): 5930192255

約数列:

[1, 5, 23, 43, 61, 115, 215, 305, 989, 1403, 2623, 4945, 7015, 13115, 60329, 65029, 301645, 325145, 1495667, 2796247, 3966769, 7478335, 13981235, 19833845, 64313681, 91235687, 170571067, 321568405, 456178435, 852855335, 3923134541, 19615672705]

約数ペア:

[(1, 19615672705), (5, 3923134541), (23, 852855335), (43, 456178435), (61, 321568405), (115, 170571067), (215, 91235687), (305, 64313681), (989, 19833845), (1403, 13981235), (2623, 7478335), (4945, 3966769), (7015, 2796247), (13115, 1495667), (60329, 325145), (65029, 301645)]