18587073

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{157}}^1$

素因数の和:277

約数の個数: 32

約数和(自身を含む): 27504640

約数和(自身を除く): 8917567

約数列:

[1, 3, 19, 31, 57, 67, 93, 157, 201, 471, 589, 1273, 1767, 2077, 2983, 3819, 4867, 6231, 8949, 10519, 14601, 31557, 39463, 92473, 118389, 199861, 277419, 326089, 599583, 978267, 6195691, 18587073]

約数ペア:

[(1, 18587073), (3, 6195691), (19, 978267), (31, 599583), (57, 326089), (67, 277419), (93, 199861), (157, 118389), (201, 92473), (471, 39463), (589, 31557), (1273, 14601), (1767, 10519), (2077, 8949), (2983, 6231), (3819, 4867)]