18455217

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{491}}^1$

素因数の和:589

約数の個数: 32

約数和(自身を含む): 28905984

約数和(自身を除く): 10450767

約数列:

[1, 3, 11, 17, 33, 51, 67, 187, 201, 491, 561, 737, 1139, 1473, 2211, 3417, 5401, 8347, 12529, 16203, 25041, 32897, 37587, 91817, 98691, 275451, 361867, 559249, 1085601, 1677747, 6151739, 18455217]

約数ペア:

[(1, 18455217), (3, 6151739), (11, 1677747), (17, 1085601), (33, 559249), (51, 361867), (67, 275451), (187, 98691), (201, 91817), (491, 37587), (561, 32897), (737, 25041), (1139, 16203), (1473, 12529), (2211, 8347), (3417, 5401)]