18738135

素因数分解:

$3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3559}}^1$

素因数の和:3589

約数の個数: 40

約数和(自身を含む): 36183840

約数和(自身を除く): 17445705

約数列:

[1, 3, 5, 9, 13, 15, 27, 39, 45, 65, 81, 117, 135, 195, 351, 405, 585, 1053, 1755, 3559, 5265, 10677, 17795, 32031, 46267, 53385, 96093, 138801, 160155, 231335, 288279, 416403, 480465, 694005, 1249209, 1441395, 2082015, 3747627, 6246045, 18738135]

約数ペア:

[(1, 18738135), (3, 6246045), (5, 3747627), (9, 2082015), (13, 1441395), (15, 1249209), (27, 694005), (39, 480465), (45, 416403), (65, 288279), (81, 231335), (117, 160155), (135, 138801), (195, 96093), (351, 53385), (405, 46267), (585, 32031), (1053, 17795), (1755, 10677), (3559, 5265)]