18511113

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{367}}^1$

素因数の和:453

約数の個数: 32

約数和(自身を含む): 27979776

約数和(自身を除く): 9468663

約数列:

[1, 3, 17, 23, 43, 51, 69, 129, 367, 391, 731, 989, 1101, 1173, 2193, 2967, 6239, 8441, 15781, 16813, 18717, 25323, 47343, 50439, 143497, 268277, 362963, 430491, 804831, 1088889, 6170371, 18511113]

約数ペア:

[(1, 18511113), (3, 6170371), (17, 1088889), (23, 804831), (43, 430491), (51, 362963), (69, 268277), (129, 143497), (367, 50439), (391, 47343), (731, 25323), (989, 18717), (1101, 16813), (1173, 15781), (2193, 8441), (2967, 6239)]