18906810

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{48479}}^1$

素因数の和:48502

約数の個数: 32

約数和(自身を含む): 48867840

約数和(自身を除く): 29961030

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 48479, 96958, 145437, 242395, 290874, 484790, 630227, 727185, 1260454, 1454370, 1890681, 3151135, 3781362, 6302270, 9453405, 18906810]

約数ペア:

[(1, 18906810), (2, 9453405), (3, 6302270), (5, 3781362), (6, 3151135), (10, 1890681), (13, 1454370), (15, 1260454), (26, 727185), (30, 630227), (39, 484790), (65, 290874), (78, 242395), (130, 145437), (195, 96958), (390, 48479)]