15991426

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{571}}^1$

素因数の和:670

約数の個数: 32

約数和(自身を含む): 28005120

約数和(自身を除く): 12013694

約数列:

[1, 2, 11, 19, 22, 38, 67, 134, 209, 418, 571, 737, 1142, 1273, 1474, 2546, 6281, 10849, 12562, 14003, 21698, 28006, 38257, 76514, 119339, 238678, 420827, 726883, 841654, 1453766, 7995713, 15991426]

約数ペア:

[(1, 15991426), (2, 7995713), (11, 1453766), (19, 841654), (22, 726883), (38, 420827), (67, 238678), (134, 119339), (209, 76514), (418, 38257), (571, 28006), (737, 21698), (1142, 14003), (1273, 12562), (1474, 10849), (2546, 6281)]