19946465

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{503}}^1$

素因数の和:629

約数の個数: 32

約数和(自身を含む): 30191616

約数和(自身を除く): 10245151

約数列:

[1, 5, 7, 11, 35, 55, 77, 103, 385, 503, 515, 721, 1133, 2515, 3521, 3605, 5533, 5665, 7931, 17605, 27665, 38731, 39655, 51809, 193655, 259045, 362663, 569899, 1813315, 2849495, 3989293, 19946465]

約数ペア:

[(1, 19946465), (5, 3989293), (7, 2849495), (11, 1813315), (35, 569899), (55, 362663), (77, 259045), (103, 193655), (385, 51809), (503, 39655), (515, 38731), (721, 27665), (1133, 17605), (2515, 7931), (3521, 5665), (3605, 5533)]