19405862

素因数分解:

$2^1\times 7^2\times {\mathrm{71}}^1\times {\mathrm{2789}}^1$

素因数の和:2876

約数の個数: 24

約数和(自身を含む): 34350480

約数和(自身を除く): 14944618

約数列:

[1, 2, 7, 14, 49, 71, 98, 142, 497, 994, 2789, 3479, 5578, 6958, 19523, 39046, 136661, 198019, 273322, 396038, 1386133, 2772266, 9702931, 19405862]

約数ペア:

[(1, 19405862), (2, 9702931), (7, 2772266), (14, 1386133), (49, 396038), (71, 273322), (98, 198019), (142, 136661), (497, 39046), (994, 19523), (2789, 6958), (3479, 5578)]