18511966

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:760

約数の個数: 32

約数和(自身を含む): 32411520

約数和(自身を除く): 13899554

約数列:

[1, 2, 11, 19, 22, 38, 67, 134, 209, 418, 661, 737, 1273, 1322, 1474, 2546, 7271, 12559, 14003, 14542, 25118, 28006, 44287, 88574, 138149, 276298, 487157, 841453, 974314, 1682906, 9255983, 18511966]

約数ペア:

[(1, 18511966), (2, 9255983), (11, 1682906), (19, 974314), (22, 841453), (38, 487157), (67, 276298), (134, 138149), (209, 88574), (418, 44287), (661, 28006), (737, 25118), (1273, 14542), (1322, 14003), (1474, 12559), (2546, 7271)]