18186675

素因数分解:

$3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{811}}^1$

素因数の和:860

約数の個数: 48

約数和(自身を含む): 33831168

約数和(自身を除く): 15644493

約数列:

[1, 3, 5, 13, 15, 23, 25, 39, 65, 69, 75, 115, 195, 299, 325, 345, 575, 811, 897, 975, 1495, 1725, 2433, 4055, 4485, 7475, 10543, 12165, 18653, 20275, 22425, 31629, 52715, 55959, 60825, 93265, 158145, 242489, 263575, 279795, 466325, 727467, 790725, 1212445, 1398975, 3637335, 6062225, 18186675]

約数ペア:

[(1, 18186675), (3, 6062225), (5, 3637335), (13, 1398975), (15, 1212445), (23, 790725), (25, 727467), (39, 466325), (65, 279795), (69, 263575), (75, 242489), (115, 158145), (195, 93265), (299, 60825), (325, 55959), (345, 52715), (575, 31629), (811, 22425), (897, 20275), (975, 18653), (1495, 12165), (1725, 10543), (2433, 7475), (4055, 4485)]