16680438

素因数分解:

$2^1\times 3^3\times {\mathrm{103}}^1\times {\mathrm{2999}}^1$

素因数の和:3113

約数の個数: 32

約数和(自身を含む): 37440000

約数和(自身を除く): 20759562

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 103, 206, 309, 618, 927, 1854, 2781, 2999, 5562, 5998, 8997, 17994, 26991, 53982, 80973, 161946, 308897, 617794, 926691, 1853382, 2780073, 5560146, 8340219, 16680438]

約数ペア:

[(1, 16680438), (2, 8340219), (3, 5560146), (6, 2780073), (9, 1853382), (18, 926691), (27, 617794), (54, 308897), (103, 161946), (206, 80973), (309, 53982), (618, 26991), (927, 17994), (1854, 8997), (2781, 5998), (2999, 5562)]