18219817

素因数分解:

$7^3\times {\mathrm{11}}^2\times {\mathrm{439}}^1$

素因数の和:482

約数の個数: 24

約数和(自身を含む): 23408000

約数和(自身を除く): 5188183

約数列:

[1, 7, 11, 49, 77, 121, 343, 439, 539, 847, 3073, 3773, 4829, 5929, 21511, 33803, 41503, 53119, 150577, 236621, 371833, 1656347, 2602831, 18219817]

約数ペア:

[(1, 18219817), (7, 2602831), (11, 1656347), (49, 371833), (77, 236621), (121, 150577), (343, 53119), (439, 41503), (539, 33803), (847, 21511), (3073, 5929), (3773, 4829)]