18925740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{105143}}^1$

素因数の和:105158

約数の個数: 36

約数和(自身を含む): 57408624

約数和(自身を除く): 38482884

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 105143, 210286, 315429, 420572, 525715, 630858, 946287, 1051430, 1261716, 1577145, 1892574, 2102860, 3154290, 3785148, 4731435, 6308580, 9462870, 18925740]

約数ペア:

[(1, 18925740), (2, 9462870), (3, 6308580), (4, 4731435), (5, 3785148), (6, 3154290), (9, 2102860), (10, 1892574), (12, 1577145), (15, 1261716), (18, 1051430), (20, 946287), (30, 630858), (36, 525715), (45, 420572), (60, 315429), (90, 210286), (180, 105143)]