18705486

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{1523}}^1$

素因数の和:1640

約数の個数: 32

約数和(自身を含む): 39502080

約数和(自身を除く): 20796594

約数列:

[1, 2, 3, 6, 23, 46, 69, 89, 138, 178, 267, 534, 1523, 2047, 3046, 4094, 4569, 6141, 9138, 12282, 35029, 70058, 105087, 135547, 210174, 271094, 406641, 813282, 3117581, 6235162, 9352743, 18705486]

約数ペア:

[(1, 18705486), (2, 9352743), (3, 6235162), (6, 3117581), (23, 813282), (46, 406641), (69, 271094), (89, 210174), (138, 135547), (178, 105087), (267, 70058), (534, 35029), (1523, 12282), (2047, 9138), (3046, 6141), (4094, 4569)]