18056805

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{419}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 33203520

約数和(自身を除く): 15146715

約数列:

[1, 3, 5, 13, 15, 17, 39, 51, 65, 85, 169, 195, 221, 255, 419, 507, 663, 845, 1105, 1257, 2095, 2535, 2873, 3315, 5447, 6285, 7123, 8619, 14365, 16341, 21369, 27235, 35615, 43095, 70811, 81705, 92599, 106845, 212433, 277797, 354055, 462995, 1062165, 1203787, 1388985, 3611361, 6018935, 18056805]

約数ペア:

[(1, 18056805), (3, 6018935), (5, 3611361), (13, 1388985), (15, 1203787), (17, 1062165), (39, 462995), (51, 354055), (65, 277797), (85, 212433), (169, 106845), (195, 92599), (221, 81705), (255, 70811), (419, 43095), (507, 35615), (663, 27235), (845, 21369), (1105, 16341), (1257, 14365), (2095, 8619), (2535, 7123), (2873, 6285), (3315, 5447)]