19180251

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 28894320

約数和(自身を除く): 9714069

約数列:

[1, 3, 9, 41, 59, 123, 177, 369, 531, 881, 2419, 2643, 7257, 7929, 21771, 36121, 51979, 108363, 155937, 325089, 467811, 2131139, 6393417, 19180251]

約数ペア:

[(1, 19180251), (3, 6393417), (9, 2131139), (41, 467811), (59, 325089), (123, 155937), (177, 108363), (369, 51979), (531, 36121), (881, 21771), (2419, 7929), (2643, 7257)]