18378540

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{102103}}^1$

素因数の和:102118

約数の個数: 36

約数和(自身を含む): 55748784

約数和(自身を除く): 37370244

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 102103, 204206, 306309, 408412, 510515, 612618, 918927, 1021030, 1225236, 1531545, 1837854, 2042060, 3063090, 3675708, 4594635, 6126180, 9189270, 18378540]

約数ペア:

[(1, 18378540), (2, 9189270), (3, 6126180), (4, 4594635), (5, 3675708), (6, 3063090), (9, 2042060), (10, 1837854), (12, 1531545), (15, 1225236), (18, 1021030), (20, 918927), (30, 612618), (36, 510515), (45, 408412), (60, 306309), (90, 204206), (180, 102103)]