19917194

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{8461}}^1$

素因数の和:8581

約数の個数: 16

約数和(自身を含む): 32900256

約数和(自身を除く): 12983062

約数列:

[1, 2, 11, 22, 107, 214, 1177, 2354, 8461, 16922, 93071, 186142, 905327, 1810654, 9958597, 19917194]

約数ペア:

[(1, 19917194), (2, 9958597), (11, 1810654), (22, 905327), (107, 186142), (214, 93071), (1177, 16922), (2354, 8461)]