18266290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{457}}^1\times {\mathrm{571}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 37724544

約数和(自身を除く): 19458254

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 457, 571, 914, 1142, 2285, 2855, 3199, 3997, 4570, 5710, 6398, 7994, 15995, 19985, 31990, 39970, 260947, 521894, 1304735, 1826629, 2609470, 3653258, 9133145, 18266290]

約数ペア:

[(1, 18266290), (2, 9133145), (5, 3653258), (7, 2609470), (10, 1826629), (14, 1304735), (35, 521894), (70, 260947), (457, 39970), (571, 31990), (914, 19985), (1142, 15995), (2285, 7994), (2855, 6398), (3199, 5710), (3997, 4570)]